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AKA: First Editions® Hawaii™ Rose of Sharon
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Hardiness Zone: 5-8 · Mature Height: 5-8 Feet · Mature Spread: 5-7 Feet
Buy Hawaii™ Althea online. A true blue, it will bring to mind the color of waters in paradise. Large showy blossoms are a lovely blue accentuated with a red-purple heart, blooming from July 'til September.
Family: Malvaceae · Common Name: Althea / Rose of Sharon / Hardy Hibiscus
FREE with every plant purchased:
- The Sooner Guarantee: For details, click here!
- A pre-applied, pre-measured amount of time release fertilizer that keeps your plant well nourished for up to one year.
- Pre-hydrated Hydro-Gels are included in the top of each container to use when planting as they help retain soil moisture, and plants will establish more quickly with less transplant shock. Plants will also survive drought-like conditions and accidental missed waterings better.
- Planting and Care Instruction brochure.
- Catalogs of new and exciting plant brands, such as Garden Debut® and Proven Winners®.
We use and recommend www.dripdepot.com for our irrigation needs, from simple to install micro and drip systems, to commercial grade irrigation parts and supplies.
HAWAII™ ALTHEA Plant Characteristics
|•||Leaf Scorch - High Resistance|
|•||Leaf Spot - High Resistance|
|•||Powdery Mildew - High Resistance|
|•||Root Rot - High Resistance|
Leaf Color Spring*
Leaf Color Summer*
Preferred Soil Conditions*
|•||Adapts Well to Most Soil Types|
|•||Cuttings or Divisions|
Season of Interest*
|•||Late Spring/Early Summer|
|•||Late Summer/Early Autumn|
|•||Under Power Lines|
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HAWAII™ ALTHEA Homeowner Growing & Maintenance Tips
Althea is easy to grow and adapts to most conditions. Feed once a year with a slow release fertilizer.