Althea, Double Red Tree Form #7
Althea, Double Red Tree Form
Hibiscus syriacus 'Double Red' (Tree Form)
Height: Typically 6–8 feet tall
Spread: Approximately 4–6 feet wide
Spacing: Plant 4–6 feet apart for full visual impact
Growth Rate: Moderate
Deciduous
Ornamental tree
Description
Althea Double Red Tree Form is a showstopping ornamental that blends refined structure with a vibrant splash of summer color. Grafted into an upright, single-stem tree form, this variety of Rose of Sharon is crowned with magnificent, double reddish-pink blooms that cover the canopy from midsummer through early fall. Its polished green foliage provides a lush, tidy backdrop for the profusion of flowers, offering a stunning contrast that makes this tree a standout. Compact and beautifully shaped, it’s perfect for entryways, patios, or as a strong vertical element in landscape beds.
General Care
- Sunlight: Prefers full sun; tolerates light shade
- Watering: Water regularly after planting to establish strong roots and support healthy flowering; once established, requires minimal supplemental watering except during prolonged dry periods
- Mulching: Apply a 2–3 inch layer of mulch to help retain soil moisture and regulate temperature
- Pruning: Prune in late winter or early spring before new growth begins to maintain canopy shape and encourage vigorous blooming
With its upright form, vivid flowers, and long-lasting bloom season, Althea Double Red Tree Form adds an elegant yet bold presence to the landscape—offering a refreshing combination of structure and color that shines from midsummer into fall.
