Hibiscus syriacus
shrubZones 5–9Late-summer-blooming shrub with tropical-looking flowers in white, pink, blue, or purple. One of the last shrubs to leaf out in spring and flower in summer.
Rose of Sharon blooms on new wood, so prune in spring. Cut back by 1/3 to promote branching and larger flowers.
Mulch around the base to retain moisture and suppress weed competition.
Remove spent flowers before they set seed. Rose of Sharon can be aggressively self-seeding.
While drought tolerant when established, plants bloom better with consistent moisture.
Pull unwanted seedlings that have sprouted in the garden. Sterile varieties like 'Blue Chiffon' avoid this issue.
Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.
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