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Courtesy of Greenleaf Nursery

Courtesy of Greenleaf Nursery

Plant Characteristics

Northern States Exposure
  • Full Sun
  • Wind / Dust Break
  • Wind / Dust Break
Growth Rate
  • Medium
Flower Color
  • Purple
Soil Moisture Needs
  • Average
Nature Attraction
  • Attracts Butterflies
Seasons of Interest
  • Late Spring / Early Summer
Best Usages
  • Landscape Specimen
  • Mass Planting
Best Characteristics
  • Flower

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:

  • Sooner Lifetime Guarantee: For details, click here!
  • Pre-measured amount of Polyon® Best-Paks time release fertilizer keeps your plant well nourished for one year.
  • Pre-hydrated Hydro-Gels are included to use when planting; Hydro-Gels help retain soil moisture, and plants establish more quickly with less transplant shock. Plants will survive drought 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®.
  • Customer satisfaction survey sent after your order is received that provides you with a $10.00 off coupon code on your next order.

I personally use and recommend for all our irrigation needs, from simple to install micro and drip systems, to commercial irrigation parts and supplies.


Eco gallon Potted

SKU: 3927

(2.64 qrts / 2.51 liters)
(770 units available now - G)

Standard Package


Add to Cart

2 gallon Potted

SKU: 7096

(1.87 gallons / 7.09 liters)
(189 units available now - G)

two year plant Standard Package


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3 gallon Potted

SKU: 4331

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

three year plant Standard Package


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5 gallon Potted

SKU: 3685

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

four year plant Standard Package


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5 gallon Potted

SKU: 3686

(4.10 gallons / 15.55 liters)
(4-5 ft tall)
(-1 units available now)

four year plant Standard Package Tree Form


Get Notified SOLD OUT  

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Customer Testimonials

Plant arrived in NY state in very good condition with even one bloom on it when opened. Thank you for a great product.

Oneonta, NY
August 2014

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