Care For Four O Clock Flowers. If Four OClocks are growing in good soil containing lots of organic material they want only a light feeding in the spring when the seedlings are set out about a half a tablespoon of slow-release granular fertilizer per plant. Many people plant four-oclocks near doors or windows where the flowers pleasant aroma can be enjoyed.
Jun 17 2021 Four oclock flowers are somewhat drought-resistant but the should not be allowed to remain dry for more than a day or two. Like daylilies four oclock flowers bloom just a single time then wilt and eventually fall off the plant. One tablespoon of slow-release granular fertilizer per plant.
Four Oclock prefer full sun but will tolerate partial shade.
Digging the tubers gives me alot nicer larger more floriferous plant the following year. Tips And Information About Growing Four Oclock Plants. Four Oclock prefer full sun but will tolerate partial shade. The plants are quite large growing 2 to 3 feet tall and wide.