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Turnera ulmifolia

 
Turnera ulmifolia
In early fall, pairing nicely with the neighboring salvia 'Wendy's Wish'
yellow buttercup; yellow alder

Common name yellow buttercup; yellow alder
Family turneraceae
Life cycle tender perennial/shrub (Z9-11)
Flowers yellow (summer-fall)
Size 24-36"
Light sun-light shade
Cultural notes well drained soil, drought-tolerant
From seed reseeds in our garden
Flowers first year from seed sown indoors early.

Two-inch yellow buttercup flowers on a rounded evergreen shrub, open in the morning and close in late afternoon. The serrated leaves are fragrant, and the flowers attract butterflies. Its hardiness in our Houston-area garden is questionable. The top growth is certainly not freeze-tolerant: even a mild freeze is sufficient to kill the leaves. The winter after we first planted ours had a harsh spell into the mid-teens with freezing rain, and our plant did not return that spring – but its seedlings did, emerging in the middle of March and growing to blooming size by mid-summer. The stand was impressively dense by early fall, until a November freeze knocked them back. I hope that at least some of these will prove to be root-hardy, assuming that this winter will be milder.

Turnera ulmifolia
Just planted, early June
yellow buttercup; yellow alder
Growing nicely, mid-August
Turnera ulmifolia
Flowers close in a spiral fashion late afternoon
yellow buttercup; yellow alder
Our plant did not survive the freeze of January 2018, but by mid-March I spotted several seedlings near the deceased mama plant
Turnera ulmifolia
Bigger seedlings in early June
yellow buttercup; yellow alder
Touched by a mild freeze, November 2018

In our garden, this plant grows in the following area: back fence border

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Last modified: November 24, 2018
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