OmniGrow

Hibiscus

Genus

Also called rose mallow

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Hibiscus
Photo: Muhammad Mahdi Karim · GFDL 1.2 · Wikimedia Commons

Fact sheet

every fact quoted from its source
TypePerennial, annual, herbaceous, shrub

“Plant Type Perennial, annual, herbaceous, shrub” — How to Grow and Care for Hibiscus

Days to germination84 days

“sow indoors 12 weeks before the last spring frost date” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Lightfull sun, partial sun

“full sun; the plants will grow in partial sun but will not flower as well” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

WaterConsistently moist soil with good drainage

“All hibiscus are thirsty plants that need to be kept moist” — How to Grow and Care for Hibiscus

Hardiness zones4-11 (USDA)

“Hardiness Zones 4-11 (USDA)” — How to Grow and Care for Hibiscus

Spacing24–66 in

“Mature Size 3-10 ft. tall, 2-8 ft. wide” — How to Grow and Care for Hibiscus

Height66–132 in

“Mature Size 3-10 ft. tall, 2-8 ft. wide” — How to Grow and Care for Hibiscus

Propagationseed, cutting

“Or they can be rooted from a cutting in the spring” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Start indoors12 weeks before last frost

“sow indoors 12 weeks before the last spring frost date” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Transplantspring

“Hibiscus can be purchased as young plants from nurseries and are best planted in the spring” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Ready whenAbundant, healthy blooms with vibrant colors

“To encourage abundant, healthy blooms with vibrant colors” — How to Grow and Care for Hibiscus

Toxicitynot toxic

“Toxicity Non-toxic” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Pestsaphids, japanese beetles, whiteflies

“Insect pests of hibiscus include aphids, Japanese beetles, and whiteflies” — Hibiscus: Planting, Growing, and Pruning Hibiscus Flowers

Diseasesplant disease, leaf spot, blight

“Avoid plants with brown spots on leaves as this can be a sign of a plant disease” — How to Grow and Care for Hibiscus

Who grows this

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13 cultivars

Where this comes from