White Pillar Rose of Sharon
Hibiscus syriacus 'Gandini van Aart'
In growth
JFMAMJJASOND
In bloom
JFMAMJJASOND
Planting Guide
| Spacing | 3-4 ft apart |
|---|---|
| Planting depth | Crown at soil level |
| Chilling hours | 0 |
| Life expectancy | 40+ years |
| Growth rate | Moderate |
| Planted | 2025 |
Growing Conditions
| Sun | Full Sun |
|---|---|
| Water | Average |
| Soil type | Well-drained, adaptable to various soils including clay. |
| Soil pH | 6.0 - 7.5 |
| Zones | 5-9 |
| Native status | Introduced |
Appearance
| Type | Shrub |
|---|---|
| Leaf | Ovate (Egg-shaped) |
| Foliage colour | Green |
| Bloom | White |
| Fruit | Capsule |
| Evergreen | Deciduous |
Root System
| System | Fibrous/Adventitious Systems |
|---|---|
| Morphology | Mixed Fine & Coarse |
| Function | Absorptive Roots (Lower Orders) |
| Propagation | Semi-hardwood cuttings |
Wildlife & Safety
| Attracts | Bees, Butterflies, Hummingbirds |
|---|---|
| Deer | Deer Resistant |
| Toxicity | Non-toxic |
| Edibility | Inedible |
| Companions | Rosemary, Lavender, Coneflower |
Where it came from
| Grower | Proven Winners |
|---|---|
| Bought at | Kulak's Nursery |
Care
Water one to two times per week. Does best in full sun and well-drained soil. Drought tolerant once established.
Maintenance
Best pruned in late winter or early spring once the threat of extreme cold has passed. No pruning required to maintain its narrow columnar habit.
Cleanup
Remove fallen flowers and leaves promptly. Cut back any dead or damaged branches in late winter.
Notes
It is a columnar shrub that saves space. The patent number is USPP 28,892. Sister plant to Purple Pillar.