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Plant Characteristics

Bark Color*
  • Gray
Bark Type*
  • Smooth
  • Garden Debut
Cultural Information*
  • Powdery Mildew - High Resistance
  • Leaf Spot - High Resistance
  • Root Rot - High Resistance
  • Leaf Scorch - High Resistance
Flower Color*
  • Multi-Colored
  • Pink
  • Red
  • Purple
Flower Type*
  • Double Blooming
Growth Rate*
  • Fast
Leaf Color Fall*
  • Light Yellow/Brilliant Yellow
  • Dark Yellow/Gold
Leaf Color Spring*
  • Green
Leaf Color Summer*
  • Green
Leaf Type*
  • Deciduous/Herbaceous
Nature Assets*
  • Deer Resistant
  • Attracts Butterflies
  • Attracts Bees
Plant Type*
  • Shrub
Preferred Planting Season*
  • Spring Planting
  • Fall Planting
  • Summer Planting
Preferred Soil Conditions*
  • Average
  • Salt Tolerant
  • Adapts Well to Most Soil Types
  • Moist
  • Well-Drained
Propagation Methods*
  • Cuttings or Divisions
Season of Interest*
  • Summer
  • Spring
  • Summer Flowering
  • Fall
  • Late Spring/Early Summer
  • Late Summer/Early Autumn
Sun Exposure*
  • Prefers Full Sun in Northern States
  • Tolerates Morning Sun Only in Southern States
  • Tolerates Full Sun in Northern States
  • Tolerates Full Sun in Southern States
  • Tolerates Morning Sun Only in Northern States
  • Prefers Full Sun in Southern States
  • Mass Planting
  • Wildlife Habitat
  • Border Plant
  • Under Power Lines
  • Accent Plant
  • Landscape Specimen

Homeowner Growing & Maintenance

Althea is easy to grow, and adapts to most conditions. Feed once a year with a slow release fertilizer. To give your plant the best start possible, we include a free fertilizer packet.

Interesting Notes

Nothing to display.

5.00/5.00 stars Avg. Customer Rating:
(1 reviews)

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Hibiscus syriacus 'Grefwd'
AKA: Fireworks Double Rose of Sharon

Buy Fireworks Double Althea online. This Althea is a magnificent, flowering, deciduous shrub boasting an explosion of pastel pink, red and purple double blooms all summer. A unique collection of three varieties maturing 8 to 10 feet tall and 6 to 8 feet wide. Drought tolerant once established. Tolerates poor soils and scorching heat.

Mature Height:

8-10 Feet

Mature Spread:

6-8 Feet

Hardiness Zone:


What's My Hardiness Zone?

Family: Malvaceae · Common Name: Althea / Rose of Sharon / Hardy Hibiscus

FREE with every plant purchased:

  • The Sooner Guarantee: For details, click here!
  • A pre-measured amount of Polyon® Best-Paks time release fertilizer that keeps your plant well nourished for 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®.

DIY Irrigation SuppliesWe use and recommend for our irrigation needs, from simple to install micro and drip systems, to commercial grade irrigation parts and supplies.


Eco gallon Potted

SKU: 6092

(2.64 qrts / 2.51 liters)
(0 units available now)

Standard Package


Get Notified SOLD OUT  

3 gallon Potted

SKU: 8221

(2.90 gallons / 11.0 liters)
(0 units available now)

Standard Package


Get Notified SOLD OUT  

5 gallon Potted

SKU: 6093

(4.10 gallons / 15.55 liters)
(635 units available now - SG)

Standard Package


Add to Cart

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Customer Testimonials

I was really pleased with the order and your service. The plant quality is excellent, and the packaging was top notch, no damage to the tree whatsoever.

Jamison, PA
November 2016

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