![]() ![]() Natural Impacts:īees are the primarily pollinators of all of the herbaceous, hardy hibiscus. Just a glance is all it takes to see that French Vanilla Hibiscus can turn dull displays into fashionable feature beds. Perennial hardy hibiscus add an upright garden form to the garden, as well as summer flowering when many spring perennials have finished flowering or gone dormant.Also, there are few plants with such a floral show that tolerates wet soil. The drier the soil, the more the plants will be stressed, which increases the severity of insect damage. Hibiscus like 'French Vanilla' grow naturally in standing shallow water, although they are quite drought tolerant for short period. These can be treated with a beneficial bacteria product like Dipel, which contains BT bacillus. Hibiscus sawfly is the #1 pest of most hibiscus, causing skeletonized leaves. The structure also helps the garden remain much more interesting in winter than a flat carpet of brown mulch. We prefer to leave them to give birds a place to perch. When the plants go dormant in winter, the stalks remain upright and sturdy. Hibiscus are hardy shrubs in zone 5 gardens and the first step is to give it a good soaking going into winter. Hibiscus 'French Vanilla' is a very low maintenance perennial, provided they are growing in the proper conditions. For us, the 4' tall x 3.5' wide, compact, well-branched clumps are laden with flowers from June through September. The flower buds on this 2020 Walters Gardens introduction are a nice buttery yellow, opening to 8" wide pale yellow before aging to pure white, with a burgundy throat. If you grew Hibiscus 'Old Yella' and couldn't detect a bit of yellow unless you sprayed the flowers with lemon juice, here's what most of us expected. Hibiscus 'French Vanilla' is a long-sought flower color break.the first hardy hibiscus hybrid with a yellow-blushed flower. ![]()
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