Hibiscus syriacus (Blue Hibiscus)

Hibiscus syriacus (Blue Hibiscus) white flower close up on green leaves
Hibiscus syriacus (Blue Hibiscus) with large white flower petals sitting atop dark green serrated leaves.

Botanical name: Hibiscus syriacus

Common names: Blue Hibiscus, Rose of Sharon

Family: Malvaceae

Origin: Temperate Asia

USDA Zone: 6-11

Large shrub 5-10 ft tallPlant form: Large bush
Plant mature sizeMature height: 5-10 ft
Full sunSemi-shadeSun exposure: Full sun or bright light indoor; semi-shade
Subtropical plant. Mature plant cold hardy at least to 30s F for a short timeCold tolerance: Tolerates light freezing to about 30°F for short periods (mature plants). Young plants must be protected.
Watering: Regular. Let topsoil dry slightlyWatering: Regular
Pink flowersWhite, off-white flowersBlue, lavender, purple flowersFlower color: Pink; white and off-white; blue, lavender, purple
Suitable forSuitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Plant attracts butterflies, hummingbirdsWildlife: Attracts butterflies and hummingbirds

Hibiscus syriacus is a shrub with large showy flowers (in single or double flowering form, with solid colors or bicolors) that blooms all Summer long and has a distinctive vase-shaped growth habit.

Single or double-flowering, large-petaled, very showy flowers adorn the plant throughout the Summer. Solid colors of white, red, purple, mauve, violet, or blue, or bicolors with a different colored throat, depending upon cultivar. Hibiscus syriacus got a blossom at 2 year old.

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Link to this plant:
https://toptropicals.com/catalog/uid/hibiscus_syriacus.htm