Red Heart Rose of Sharon/Althea
Hibiscus syriacus 'Red Heart'
In growth
JFMAMJJASOND
In bloom
JFMAMJJASOND
Planting Guide
| Spacing | 4-6 ft apart |
|---|---|
| Planting depth | Crown at soil level |
| Chilling hours | 0 |
| Life expectancy | 20+ years |
| Growth rate | Moderate |
| Planted | 2022 |
| Bed | To Be Sorted |
Growing Conditions
| Sun | Full Sun |
|---|---|
| Water | Average |
| Soil type | Adaptable |
| Soil pH | 5.5-7.5 |
| Zones | 5-9 |
| Native status | Cultivar |
Appearance
| Type | Shrub |
|---|---|
| Leaf | Ovate (Egg-shaped) |
| Foliage colour | Green |
| Bloom | White with a red center |
| Fruit | Capsule |
| Evergreen | Deciduous |
Root System
| System | Fibrous/Adventitious Systems |
|---|---|
| Morphology | Mixed Fine & Coarse |
| Function | Mixed Orders |
| Propagation | Softwood cuttings, seeds |
Wildlife & Safety
| Attracts | Hummingbirds, Butterflies |
|---|---|
| Deer | Deer Resistant |
| Toxicity | Toxic to Dogs/Cats |
| Edibility | None |
| Companions | Coneflower, Coreopsis, Russian Sage |
Where it came from
| Grower | Garden with a Winner (Medallion Plants) |
|---|---|
| Bought at | Kulak's Nursery |
Care
Fertilize in Spring and midsummer / Prune late winter or early spring.
Maintenance
Prune back to 2-3 buds in late winter for larger blooms.
Cleanup
Remove fallen debris in winter.
Notes
Heat tolerant and excellent for late summer color.