Native Plants
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A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.
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Ask Mr. Smarty Plants
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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Thursday - April 15, 2010
From: Houston, TX
Region: Southwest
Topic: Non-Natives
Title: Care for non-native tropical hibiscus in Houston
Answered by: Barbara Medford
QUESTION:
How to care for a tropical hibiscus plant? How much water, sun, fertilizer? I am novice gardener in Houston, TX. From much reading, April seems to be the month I cut all blooms and let the plant lie dormant. Please help, I am confused.ANSWER:
Since you are a novice gardener, we invite you to read our How-To Article A Guide to Native Plant Gardening. Tthe Lady Bird Johnson Wildflower Center is committed to the use, protection and propagation of plants native not only to North America but to the area in which those plants are being grown, so the Tropical Hibiscus would fall out of our range of expertise.
There are 13 members of the Hibiscus genus native to North America, 11 native to Texas and two, Hibiscus lasiocarpos (rosemallow) and Hibiscus laevis (halberdleaf rosemallow) native to the Harris County area. Those, however, are not what you could ordinarily refer to as "tropical" hibiscus. You likely have a hybrid of Hibiscus rosa-sinensis, probable origin tropical Asia, much cultivated and hybridized. You can follow the plant links above to the pages in our Native Plant Database on the Hibiscus native to Harris County, and may learn the answers to some of your questions. We would also refer you to these websites that are NOT confined to natives and have a great deal of information:
The Tropical Hibiscus - A Brief History
From our Native Plant Image Gallery:
More Non-Natives Questions
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Death of non-native eleaegnus from Austin
March 30, 2013 - We have a long hedge of elaeagnus, about 5 ft tall. Four of them died in the middle of the hedge. Where can we find such big plants? Is it advisable to unroot and transplant from another area?
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Failure of non-native mock orange to bloom
June 12, 2008 - We have a mature mock orange shrub that is very healthy but has not bloomed at all. What can we do?
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Wound from non-native date palm thorn Naples FL
November 12, 2012 - Was trimming my pygmy date palm when a frond fell and a thorn pierced my rubber gloves and stuck me in the web of skin between my thumb and forefinger. Did not see a broken thorn but area where struc...
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Control of non-native invasive ground ivy in Grand Junction TN
May 08, 2010 - Dear Mr. Smarty Pants,
I live in the Southwest portion of TN about 50 miles east of Memphis. We have an invasive plant, called Ground Ivy, Glechoma hederacea L in our yard and pasture now which is ta...
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