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Image Property of Sooner Plant Farm

Plant Characteristics

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

Homeowner Growing & Maintenance

Altheas are 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

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Hibiscus syriacus 'Ardens'
AKA: Ardens Purple Double Rose of Sharon

Buy Ardens Althea online. Ardens is a medium sized, slender, well-branched shrub with bright green serrated leaves. It is easily grown, tolerating a wide range of soil and moisture conditions. It produces purple blossoms in late summer.. Note Althea Hibiscus is considered a shrub or tree and will not die back to the ground in winter, like Hardy Hibiscus.

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: 3927

(2.64 qrts / 2.51 liters)
(35 units available now - SG)

Standard Package


Add to Cart

2 gallon Potted

SKU: 7096

(1.87 gallons / 7.09 liters)
(73 units available now - SG)

Standard Package


Add to Cart

3 gallon Potted

SKU: 4331

(2.90 gallons / 11.0 liters)
(656 units available now - GPR)

Standard Package


Add to Cart

5 gallon Potted

SKU: 3685

(4.10 gallons / 15.55 liters)
(348 units available now - G)

Standard Package


Add to Cart

5 gallon Potted

SKU: 3686

(4.10 gallons / 15.55 liters)
(4-5 ft tall)
(0 units available now)

Standard Package Tree Form


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Quote of the Day

“A prententious, showy life is an empty life; a plain and simple life is a full life. - Proverbs 13:7”

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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