This is the first season I’ve grown white Cuban buttercup, Turnera trioniflora. I planted it in a large container on my back deck as the spiller portion of the thriller, filler, and spiller planting technique.
Flowers that open and close
I love how white Cuban buttercup opens early in the morning as soon as the sun hits it. It closes up shop around Noon or so. Of course, if we have a cloudy day, it stays open longer. Flowers that only open for part of the day add a little mystery to things, and I find I look for their presence in the garden more. Mirabilis jalapa, four o’clocks, Portulaca grandiflora, rose moss, Ipomoea alba, moonflower, and Ipomoea purpurea, morning glories, are other flowers that quickly come to mind with specific opening and closing times. I wrote about morning glories in ten more easy flowers to grow in Oklahoma. Four o’clocks were featured in summer flowers for summer heat.
A tropical temptation
White Cuban buttercup, Turnera trioniflora, is tropical and won’t overwinter in Oklahoma’s Zone 6a through 8b climate. I’m sure you could take cuttings, and it may form seed, but, if so, I haven’t seen it so far this year. Mine is a trailing variety that looks great at the front of a pot or a flowerbed.
Sometimes, simple flowers are better
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