Hibiscus grandiflorus
Swamp Hibiscus
This shrub-like wildflower is commonly called Giant Rosemallow as it can grow upwards of 2.9m tall. It will perform well under garden conditions as long as the soil does not dry out. Light pink flowers in late summer.
Contributed by @armywife78
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Full sun
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Occasional watering
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Full Frost Hardy: 5F (-15°C)
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Free draining and fertile
Common name
Swamp Hibiscus
Latin name
Hibiscus grandiflorus
type
Evergreens
family
Malvaceae
ph
5.0 - 7.5 Acid - Neutral
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Light
Full sun
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Frost
Full Frost Hardy: 5F (-15°C)
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Soil
Free draining and fertile
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Water
Occasional watering
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
1.00 M
2.90 M
Hibiscus grandiflorus
This shrub-like wildflower is commonly called Giant Rosemallow as it can grow upwards of 2.9m tall. It will perform well under garden conditions as long as the soil does not dry out. Light pink flowers in late summer.
Planting
From Early Spring TO Late Winter
Look under the individual varieties for planting guidelines
Flowering Season
From Early Spring TO Late Winter
Hibiscus grandiflorus produces light pink flowers throughout the year if kept in the right conditions
Flowering
From Early Spring TO Late Autumn
Flowers are generally funnel-shaped and are showy but short lived.
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