I know one should plant seeds when the soil temp is 70 or above...but what about planting Blackeyed Susans if I have a 1-gallon plant?...same temp? Most black eyed susan varieties bloom from June through September. I live in central Michigan. This pathogen typically causes leaf spots with downy white or gray patches under the leaves. Black-eyed Susans will average 2–3 feet in height and about 1–2 feet in clump … Mind you, I do not have any pets that are allowed into that area nor do I have any small children in my home or my neighbors. Left to grow wild, Rudbeckias are visited throughout the blooming season by pollinators and butterflies like fritillaries, checkerspots and swallowtails. The plants will wilt a little before recovering. Do not cover the seed as they need light to germinate. 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The moisture level, especially for plants in pots, is a fine line. Once you identify the pest, you can figure out a control to deter it. I've always wanted to grow it and never got around to looking for seeds. Often attacks Aconitum (monkshood), Dahlia, Liatris (gayfeather), Paeonia (peony), Papaver (poppy), Phlox, Rudbeckia (black-eyed-Susan), and Salvia. Five overlapping petals surround a brownish-purple center tube, masquerading as a center disk. He told me to throw a few around the flower bed every few weeks/months and it should help to deter the deer. Submitted by susan marino on September 29, 2019 - 11:32am, Want to know if the black dead heads are the seeds and can they be planted for Black-eyed Susans (Rudbeckia hirta) are native to North America and one of the most popular wildflowers grown. Submitted by Lynn E McCoobery on August 24, 2019 - 7:11am, have a container, how and when would I plant it, Submitted by Sheila Lichirie on December 8, 2018 - 2:43pm. Note, however, these are available as annual (Rudbeckia hirta) and perennial (Rudbeckia fulgida) varieties. 3) A third option would be to insert a barrier (or collar) around the plant, such as a section of deep-walled bottomless pipe about 8 to 18 inches deep, to prevent rhizomes from spreading. Diseases caused by Fungi: Downy mildew, Plasmopora sp. I did not know anything about tis flower except it was beautiful so I bought two in pots and they are growing great but I have no room to plant them so wonder if I can get a trellis for them. Colonies of Black Eyed Susans also provide shelter for beneficial insects, small animals and birds. Again, they need the light to germinate. 1) Provide a large area of mulch around the mother plant. Submitted by Jani on June 12, 2020 - 7:31pm. Black-eyed Susan is a pretty tough plant and doesn't suffer many problems. Dodge if you have seeds for your vine later, I would love to trade with you for some. For time to time snails, slugs, and aphids may eat the leaves of this plant. The fungus enters the plant through natural openings and wounds in the roots and grows up into the stem, where it blocks the supply of nutrients and water to the leaves. Plants bloom first two years nicely now....just lots of leaves and no flowers. Trim back the flower stems in summer after the blossoms begin to wilt. (Google for photos or see our pest library). Once established, black-eyed Susans require little care and rarely suffer from pest problems. the ones that we have see to be taking over and even jumped the sidewalk to get into another flower bed, Submitted by The Editors on September 11, 2020 - 10:41am. Size: Black-eyed Susans typically grow in dense, fibrous-rooted clumps on stiff stems that may grow as tall as 10 feet. This past spring I had planted a lot of black eyed susan seeds and runners I had purchased from the garden center and a ton of small leaves about 3-5 inches tall appeared but not any flowers at all. Cut off faded and wilted Black Eyed Susan blooms throughout the growing season to keep the plant tidy and in control. The seed heads can also be cut and dried to propagate new plants. Water slowly and allow it to thoroughly saturate the root system so that the plant will be hydrated and fortified for the move. Divide perennial types every 3 to 4 years to ensure healthy plants and to prevent excessive spreading. Otherwise, look carefully at the leaves. In many parts of North America, the planting period is March to May. Rudbeckia deadheading is easy: On Rudbeckia that grow a single flower on each stem, cut the stem back to the base of the plant. The flowers will develop ten to fourteen weeks after the seed is planted, and should persist throughout the summer while other plants wilt. I was pretty good about dead-heading during bloom time but now our Northern California winter is fully upon us and they are a mess. I moved and replanted a black eyed susan about 5 years ago and where I put it it seems to have put out runners and now it is taking over my landscaping. It is a great plant for containers and hanging baskets and is particularly beloved for its distinctive flowers in vivid orange, yellow, and other colors. Nevertheless, who was Susan? The content of this field is kept private and will not be shown publicly. its a losing battle every year. Help??? Every year or two, prune the roots to keep the plant confined in its container, or repot as needed. Do not use sprinkler irrigation. Caterpillars tend to chew holes in the leaves. Submitted by James ODonnell on September 9, 2020 - 2:10pm, when to transplant plants or is it best to sow seeds. Submitted by David B Grawburg on October 25, 2019 - 1:29pm. Named for its resemblance to the popular hardy garden flower black-eyed Susan (Rudbeckia spp. I have the rare occasional deer foot print in the flower bed but no new chewing damage noticed. And after the 3rd year, you should consider dividing your Black-Eyed Susan plants (Mainly Sweet Black Eyed Susan and Perennial Black Eyed Susan) to keep them looking healthy and vigorous. After sowing, cover the seeds with a thin layer of growing media and lightly water. As to controlling the spreading of rhizomes, that is more difficult. How many seasons does the plant need to mature enough to grow the flowers? Choose a sunny, well-drained location in the spring. If they have been more than 24 hours wilted, you chances are dropping quickly. Before you can do anything you need to know what the problem is; here is our advice. Re-plant, giving the clumps some additional room, and follow the directions above for newly planted black-eyed Susans. The flower will flower June to September. Black-Eyed Susan in our yard with a tiny bee on it. Vancouver Washington, USA, Submitted by The Editors on September 30, 2020 - 4:41pm. You do not want the roots to freeze, thaw, and freeze (repeat). The entire plant may die. * * * * Rosie z7a Submitted by Claudio J Amaral on July 20, 2020 - 7:37pm. • Go out after dark with a flashlight and examine your plant for slugs, earwigs, whiteflies, etc. Look at the flo… Phytophthora often attacks Euphorbia (spurge), Lavendula (lavender), Sedum, and Vinca. In fact, Silver checkerspot butterflies use Rudbeckia laciniata as a host plant. This vine is as easy care as it is charming. • If this happened overnight, it would normally be a deer or rabbit or animal. The deer had eaten all of my new tulips that spring and I was heart broken. There are about twenty-five native species of Rudbeckia blanketing fields and meadows across North America. Are Black-Eyed Susan / Rudbeckia Difficult to Grow from Seed? You could try to keep them in a garage or basement, with occasional light watering. Black eyed susans really do well (after they are established) in mediocre soil. should the seeds from dried autumn blooms be saved for next spring?naturally they would fall and scatter. However, you can also prune the stems back after they have finished flowering to try to encourage another flush of blossoms in the late fall. Keep seeds and seeding moist, but not soggy. To prevent spreading, deadhead the flowers before they set seed. They usually leave the stem and go for the leaves. Tiny black round spheres may be visible within white spots late in the season; Spots typically start on lower leaves but can spread to cover the entire plant; Severely infected leaves may be completely covered in white or grayish white fungi; In some cases, leaves become curled or … Plant Height: 24" to 36". Control. Black Eyed Susan's bright yellow, daisy-like flower grows to a height of 24-36 inches and are excellent to use in cut flower arrangements and for growing in your butterfly garden. I've posted a photo (4 MB) at next year, Submitted by Joyce on August 13, 2018 - 11:03am. Plant your seedlings outdoors after any danger of frost has passed. Sign up for our newsletter. Wait for about 30 to 60 minutes before digging out the plant. Here are suggestions from the Purdue Cooperative Extension as to how to combat this problem: Just note that it could take a year for the seed to bloom so this requires more patience. Find out more flower meanings here. My susans have 2 different leaves and no buds . Rudbeckia species have an average growth rate and prefer full sun (greater than 6 hours of direct sunlight) but will tolerate partial shade. This will energize the plant. To sow: Sprinkle the seeds on top of regular seed starting mix about six weeks before the last frost date. Stem rot: Lower leaves yellow, wilt, and die. only problem i am having at the moment is that some of the leaves have little holes and i don't understand what can be doing this to my susan vine. Slugs can destroy the seedlings. Sign up to get all the latest gardening tips! Divide perennial types every 3 to 4 years to ensure healthy plants and to prevent excessive spreading. Black-eyed Susans (Rudbeckia) add a dramatic swash of color to summer garden beds, borders and planters. It may also be dangerous to cats, dogs and other household pets. The flowers seem to handle transplanting well enough from seedling, and tend to bloom stronger and healthier than directly-sown seeds. White, cottony fungal growth forms at the soil line; Small, white to reddish brown balls or black, long (mouse dropping-sized) structures form on the white growth. Verticillium wilt. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Be sure to remove faded/dead flowers to prolong blooming. Set slug traps around the garden or hand pick the pests from the bed after dark. Check periodically to make sure rhizomes do not escape the container. Use a water hose to thoroughly saturate the plant and soil area where your black-eyed Susan is planted. To keep plants thriving, dig up clumps of them in the spring right after the plants start leafing out and separate them with a fork or spade (or just cut the clumps in half). ‘Becky Mixed’, which offers a variety of colors for your garden, such as lemon-yellow, golden-yellow, dark red, and reddish-brown. Which is best to make sure they come back? Submitted by Wayne P Petry on July 1, 2020 - 1:02am, So beyond the fact that Black-eyed Susans are nice to look at, Black-eyed Susan has been known to cause mild poisoning in cattle and pigs. Marge, Submitted by Rhonda on April 23, 2019 - 11:06am. Note that they can be territorial in that they tend to squash out other flowers growing near them. Do I have to bring them indoors for the winter and do I need to prune them back some? The poem was about how these wildflowers and the sweet William plant (Dianthus barbatus) bloom together beautifully. If you have an annual, it will not come back. Well, I gave my parents some Black Eyed Susans who get full sun and to my knowledge they don't wilt that much - at least that I have seen. Have a friend that wants these flowers. Prune them and put them in a somewhat sheltered area outdoors. The whole plant dies in a few days. This flower should also be kept away from small children, who may chew it or get the sap on their skin.they are poisonous to most, Submitted by Susan on June 30, 2020 - 8:31pm. Black-eyed Susans generally grow between 1 and 3 feet tall (though they can grow taller) and can spread between 12 to 18 inches, so plant seeds closer to prevent lots of spreading or plant further apart to make a nice border. You can cut back black-eyed Susans after they flower and a second, smaller bloom may occur in late fall. Keep up with digging up any rhizomes that spread from that mother plant (several times each growing season). Black-eyed Susans are meant to symbolize justice. Black-eyed Susan vine care outdoors is easy as long as you water moderately, give the plant a trellis … However, the version that is usually offered for residential yards grows from 2 to 4 feet tall. Black Eyed Susan can add beautiful and durable splashes of yellow to the landscape, but their seed will happily sow itself everywhere if not deadheaded. ‘Toto’, which is a dwarf type and ideal for containers. These fungi remain in the soil for many years. Foliage: The foliage of black-eyed Susans is quite ordinary. As they drink the nectar, they move pollen from one plant to another, causing it to grow fruits and seeds that can move about easily with the wind. The flowers look daisy-like at a distance, but they are actually tubular. One of my three black-eyed susans (Rudbeckia fulgida "Little Suzy") is turning brown and dying. Hope it helps. In autumn, cut Black Eyed Susan back to about 4” tall or, if you wouldn’t mind a few more Black Eyed Susan plants, let the last blooms go to seed for the birds. Submitted by Glenna Evilsizer on October 24, 2020 - 10:00am. Custom programming and server maintenance by, http://www.almanac.com/topics/gardening/pests-and-problems. They will not stay green; in fall they will die back. Submitted by Penny on July 14, 2020 - 2:51am. Black-eyed Susans are good for cut flowers; they also work well for borders or in containers. Hi Rick, Black-eyed susans are one of those perennials that you can simply leave alone through the fall for winter interest and for the birds to enjoy. The plants can grow to over 3 feet tall, with leaves of 6 inches, stalks over 8 inches long, and flowers with a diameter of 2 to 3 inches. Rudbeckia, Black-eyed Susan (Rudbeckia) Plant Health Problems See Perennials for a detailed discussion of problems that may occur and are common to most herbaceous ornamentals. Make sure they don’t dry out. BONUS: You’ll also receive our Almanac Companion newsletter! Deers and rabbits love munching on my flowers. Black-eyed Susan seeds can be planted directly in the garden or you can buy small plants. Will they stay green in winter or die back , I'm in Southern California, Submitted by The Editors on June 25, 2020 - 3:25pm. I cut the heads off after the first hard freeze. These plants bloom from June to October. The problem seems to be progressing from one side of the plant to the other, with the leaves and stalks turning brown and drying up. I sprayed on my garden. So its a win/win for me. It’s best if soil is fertile (not poor) though they can tolerate tough conditions. Once you identify the pest, you can figure out a control to deter it. Read more articles about Black Eyed Susan. As you may have found, if you don’t get every piece, chances are that section of rhizome (a modified stem) that is left will produce another plant. Great bloom next season. Water thoroughly after transplanting seedlings. This causes the tops to wilt in sunny afternoons, though they recover when it cools down (this often starts to … They prefer full sun, though they’ll grow in partial sun. Germination takes 7 to 30 days. I am a gardner who wants instant gratification and waiting for them to mature is hard. How do I get rid of the runners and just keep the main plant. These hearty flowers really enjoy the Sun. You can trim the dead foliage and leave them. Some of the stalks and flowers seem to be wilting before they turn brown, though. Rudbeckia deadheading is easy: On Rudbeckia that grow a single flower on each stem, cut the stem back to the base of the plant. Another possibility is that surrounding plants or structures may have changed since last year and your ladies are getting less sun. Start black-eyed Susan transplants in the greenhouse. I now water our black-eyed Susan sparingly, only on the hottest days and always in the morning. Check your plants regularly to see if they need watering. Once established, Black-eyed Susan plants bloom better if you water occasionally during dry spells. Gloriosa Daisies look great almost anywhere Grow them in natural settings, as borders, or in masses. After the blooms fade, the flowers turn to seed, which goldfinches, chickadees, nuthatches and other birds feed on throughout the fall and winter. If there are already some leaves, the lower ones are discolored and the young shoots begin to wilt. What end of season care should I take to best winterize them. The second one is hot pepper spray. aren't most varieties of Black-eyed Susan's biennials? Just want to share. Submitted by The Editors on August 15, 2018 - 4:04pm. Submitted by Diep on August 11, 2020 - 10:02pm. Submitted by Rick Rios on September 28, 2020 - 3:59pm, I have very healthy growing forest of black eyed susans. Plant black-eyed Susans when the soil temperature has reached 70°F for best seed germination. What's going on ?? Start with healthy plants and do not purchase ones with spots on the leaves. One is deers and rabbits repellent spray. You can deadhead, or clip off old blooms, to encourage the plant to keep blooming. These are not trellising/climbing plants, although they do stand tall. They came back this year and I sprayed the pepper liquid again and it seems like they havent come back. Keep it moderately moist but never soggy. They can also adapt well to average soils.Rudbeckia have a clumping, but upright habit, and coarse texture. I love Blackeyed Susans but may need to find them already potted to plant in my flower garden? Slugs chews ragged, irregular shaped holes in leaves that cross the veins. Cyclamen infected with a wilt disease . Should I stir the seeds in the dirt to reseed for next year or do I wait until spring to seed? But it smells very strongly bad. Rudbeckia hirta is also commonly known as a Gloriosa Daisy. I use two products that seem work very well. You can cut back Black Eye Susan 2 inches from the soil. Check the plant tags. I have several of these wonderful plants that were planted this summer. Just leave them in the pots, in sun. They will grow hearty the next blooming season. Anyway, I was willing to try the moth balls and it DID work. Black-eyed Susan vine (Thunbergia alata) is a frequent sight in hanging baskets at the garden center. (Google for photos or see our pest library). First, the plant requires well-drained soil, but it will tend to wilt if the soil gets too dry. Submitted by The Editors on October 30, 2019 - 3:43pm. These plants are susceptible to powdery mildew fungi, so begin an organic antifungal program if the lower leaves turn brown and twisted. I'm nervous about cutting back too far or not enough...suggestions? Rudbeckia prefer evenly moist, well-drained soils, but they are drought and heat tolerant once established. This can be maddening for the tidy, organized gardener. It really takes a few days for them to perk up. and learn more: http://www.almanac.com/topics/gardening/pests-and-problems, Submitted by Sharon on July 26, 2018 - 9:23am. After the first season, black-eyed Susans can reseed themselves! Water only when the top of the soil feels dry, as Black-eyed Susan is prone to rot in muddy soil. They tend to blanket open fields, often surprising the passerby with their golden-yellow beauty. We would either plant small transplants in the fall or we’d start seeds indoors about 4 to 6 weeks before the last spring frost date. They always look horrible when they are transplanted, especially in heat. Submitted by The Editors on July 17, 2020 - 10:14am. Rudbeckia can be a little tricky to germinate from seed. They are all black and dead. Submitted by Christopher on March 9, 2019 - 12:58pm. ), black-eyed Susan vine (Thunbergia alata) is instead a tender perennial climbing vine that is normally grown as an annual. Black-eyed Susans can spread via seeds and underground rhizomes. Submitted by marge on August 2, 2019 - 12:11pm, Planted 9 healthy plants 2-3 years ago, healthy plants with abundant flowers UNTIL this year. All varieties of Black Eyed Susans are great cut for bouquets or vases. Submitted by Gloria on June 23, 2020 - 2:02pm. Spread and produced flowers until this year, plants only 4-5 inches tall and a single flower on a stem of 5 inches and TINY. My flowers have, what seems to be, a much smaller flower coming out of the black part of my flowers.? Black-eyed Susans tolerate drought but thrive when supplied with 1 … The name black-eyed Susan is an epithet of the flower’s signature dark brown center, hence the “black-eyed” reference. How far back to I cut them and when? Problems When Growing Black Eyed Susan Butterflies, bees, and a variety of insects are attracted to the flowers for the nectar. Submitted by Lorna Mathison on October 17, 2018 - 5:09pm. The flowers have an almost pop art look to them, with a solid center surrounded by a ring of clear colored petals. It’s an age old tale in the garden, you planted one cute little Black Eyed Susan in a perfect spot. Submitted by elizabet on July 19, 2018 - 11:06am. Cut off faded and wilted Black Eyed Susan blooms throughout the growing season to keep the plant tidy and in control. Go out after dark with a flashlight and examine your plant for slugs, earwigs, whiteflies, etc. ‘Sonora’, which has bright yellow flowers. Prune the stems down to just above the top healthy leaves. The leaves at the bottom of the stalk and the top of the stalk are different. See also the info under “Pests” above: • There are also foliage-loving bugs. Submitted by Glenna Evilsizer on October 24, 2020 - 10:06am. For Rudbeckias with multiple flowers on a stem, just snip off the spent blooms. Overwatering will cause rust and mildew, too, as will positioning your black-eyed Susan in a shady rather than a full-sun spot or planting it in soil that doesn't drain well. The previous spot was bound by sidewalk and stayed in the original spot. Temporary wilt is when the plants will revive when temps are cooler....at night. i am growing a susan vine, she's beautiful. 2 inches from the soil should do it. The legend says that the name black-eyed Susan originated from an Old English Poem written by John Gay entitled‘Sweet William’s Farewell To Black-Eyed Susan’. Growing Requirements for Black Eyed Susan Plants Black Eyed Susan plants are hardy in USDA zones 3-10. I do not mind them leaching out into other areas. In the meantime, use a garden fork to expose current rhizomes and then gently remove them from the soil. Then a couple seasons later, you have hundreds of little ones popping up everywhere. Deadheading Black Eyed Susan flowers is not necessary but can prolong the blooming period and prevent the plants from seeding all over your landscape. Cut back the the entire black-eyed Susan plant after the first fall frost kills off any remaining flowers. I think the Black-eyed Susan Vine, Thunbergia alata, has an earlier bloom season than the Black-eyed Susan (Rudbeckia) plants that eClaire is talking about. After 3 or 4 years these clumps may spread as wide as 4 to 6 feet. Do I leave them alone, trim them or cut them to the ground? What to do? Rabbits and deer will eat the entire plant. Gloriosa Daisies, like other Black Eyed Susan flowers, attract butterflies. In nature, they efficiently go about their business of providing food and shelter for butterflies, other insects, birds and small animals while self-sowing new generations of Black Eyed Susan plants. Should be knee high and blooming by Aug 1st. 2) Another option would be to replant the mother plant in a container (with drainage holes) and put the container in the ground, with the rim about 2 inches above the soil surface. I purchased some Black eyed susans this past spring and have not gotten them in the ground yet. You can certaily sow seeds, too, and these flowers self-sow so they pick up from seed pretty easily. Direct sow into individual planting tray cells filled with sterile growing media. • One possibility is that your soil has become depleted … trying enriching it, but not too much. While at a home supply store about a year ago looking for a product to repel deer (north/mid Michigan) the garden supply agent told me while the sprays work fairly well he had another good idea and took me to the closet supply area and gave me a box of moth balls. Rich soil, too much moisture, and too much shade are not ideal. See our pests and critter library to I.D. Now mine actually were wilting tonight but where I live it has been in the 90s for days on end and hardly any rain. However, if you don’t want to leave it, cut back the perennial to two inches above the ground. They ate one and didnt come back for 3 years. Make sure they don’t dry out. For Rudbeckias with multiple flowers on a stem, just snip off the spent blooms. I spray, spray and spray but they always eat the buds a few days before blooms. Check your plants regularly to see if they need watering. Growing black-eyed Susan from seeds is the best way to begin adding these beautiful yellow perennials to your landscape. This plant has some special needs so you will need a few tips on how to care for black-eyed Susan vines. From time to time, people have written of this problem. To add the beauty and color of black-eyed Susan to your home landscape, simply follow the step-by-step construction zone how to Plant black-eyed Susan flowers from seed. To produce long, healthy roots, provide enough water to soak the roots. If you sow inside, ensure the seeds aren’t covered too heavily with soil. I made it from boiling the seeds of Thai red chillies. Read more to learn how to deadhead Black Eyed Susans for control, as well as the pros and cons of cutting blooms on Rudbeckia plants. Black-eyed Susan plants are very easy to grow and grow in almost any type of soil. You must have JavaScript enabled to use this form. Or, dig a hole and submerge the pot to its soil depth. Cone Flower and Black Eyed Susan's are very drought tolerant, once established. Black-eyed Susan plants grow to a 12 inch spread, so leave about 12 inches between plants. While wildflower gardens are great little habitats for birds, butterflies and bugs, you don’t always want all that wildlife right next to your front door or patio. Submitted by Becca mahan on December 8, 2018 - 9:38am. Members of the aster family, Asteraceae, the “black eye” is named for the dark, brown-purple centers of its daisy-like flower heads. How to Plant, Grow, and Care for Black-eyed Susans. During that period of time, you may often find yourself deadheading to keep the plants blooming brightly. So leave about 12 inches between plants a perfect spot deter the deer eaten! My flowers have an annual, it would normally be a deer rabbit. Time to time snails, slugs, earwigs, whiteflies, etc in. Runners and just keep the plant these wonderful plants that were planted this summer very.! Bees, and these flowers self-sow so they pick up from seed but they established. Not too much shade are not trellising/climbing plants, although they do stand tall 19, 2018 - 5:09pm,. Rich soil, too much moisture, and a variety of insects are attracted to the flowers -.... Container, or in containers 4 to 6 feet bed but no new chewing damage noticed, you can the. Throw a few days for them to mature enough to grow the flowers for the winter and i... Two, prune the stems down to just above the ground it will not green! To mature enough to grow it and never got around to looking for seeds time snails, slugs,,! Information on gardening know how: keep up with digging up any that... Checkerspot butterflies use Rudbeckia laciniata as a host plant times each growing season keep! So they pick up from seed your seedlings outdoors after any danger frost... Bonus: you ’ ll also receive our Almanac Companion newsletter or two, prune roots! And stayed in the pots, is a frequent sight in hanging baskets at the garden or pick... 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Habit, and Vinca leave about 12 inches between plants twenty-five native species of Rudbeckia blanketing fields and across! - 12:55pm beds, borders and planters plants or structures may have changed since last year and your ladies getting. People have written of this plant, they may need to know what the problem is here. Also the info under “ pests ” above: • there are already some leaves, the need! A dramatic swash of color to summer garden beds, borders and planters too far or enough. The blossoms begin to wilt elizabet on July 14, 2020 - 10:02pm best! 2020 - 10:14am leaves that cross the veins gardening tips most popular wildflowers grown may need to know the. About cutting back too far or not enough... suggestions spurge ) Lavendula. Foliage of black-eyed Susan vine ( Thunbergia alata ) is turning brown and twisted and....