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Image courtesy of North Creek Nursery

Image courtesy of North Creek Nursery

Plant Characteristics

Plant Type
  • Evergreen Perennial
Northern States Exposure
  • Full Sun
Growth Rate
  • Medium
  • Fast
Flower Color
  • White
Soil Moisture Needs
  • Average
Best Usages
  • Accent Plant
  • Landscape Specimen
  • Mass Planting
  • Near Water Gardens or Ponds
  • Rock Gardens
Best Characteristics
  • Flower

Homeowner Growing & Maintenance

Hardy Hibiscus are easy to grow, and adapt 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

One of the parents of Blue River II, (H.militaris) was found growing along the Blue River in southern Oklahoma, hence the name.

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Hibiscus x 'Blue River II'

Buy Blue River II Hardy Hibiscus online. This Hardy Hibiscus is a vigorous grower that produces pure white 10" blooms and loves the heat.Note: Hardy Hibiscus will die back to the ground every winter and emerge from the ground in mid to late spring. Remove old canes to the ground in mid winter.If you purchase our potted Hardy Hibiscus when dormant (September - May) you will receive a one to two year old healthy potted root system. The top cut off to allow new shoots to grow in mid to late spring.

Mature Height:

4-5 Feet

Mature Spread:

3-4 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.


2 gallon Potted

SKU: 3945

(1.87 gallons / 7.09 liters)
(313 units available now - G)
(1 units arriving soon) (?)
Standard Package


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“Pleasures must be bought, but happiness is free.”

Customer Testimonials

As always Brian, your plants are doing wonderful. Everything we buy elsewhere seems to be a waste of time, money and another year

ST. Peters, MO
September 2014

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