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Image property of and used with permission from Walters Gardens



Plant Characteristics

Cultural Information*
  • Leaf Spot - High Resistance
  • Root Rot - High Resistance
  • Leaf Scorch - High Resistance
  • Powdery Mildew - High Resistance
Flower Color*
  • Red
Flower Type*
  • Single 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*
  • Attracts Bees
  • Attracts Butterflies
Plant Type*
  • Perennial
Preferred Planting Season*
  • Spring Planting
  • Summer Planting
Preferred Soil Conditions*
  • Salt Tolerant
  • Moist
  • Adapts Well to Wet Areas
  • Adapts Well to Most Soil Types
  • Average
  • Well-Drained
Propagation Methods*
  • Cuttings or Divisions
Season of Interest*
  • Fall
  • Summer Flowering
  • Late Spring/Early Summer
  • Spring
  • Late Summer/Early Autumn
  • Summer
Sun Exposure*
  • Prefers Full Sun in Northern States
  • Prefers Full Sun in Southern States
Uses*
  • Accent Plant
  • Wildlife Habitat
  • Mass Planting
  • Near Water Gardens or Ponds
  • Landscape Specimen
  • Under Power Lines
 

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 free fertilizer with every order.

Interesting Notes

A Top 100 Plant

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BLACKBERRY MERLOT HARDY HIBISCUS

Hibiscus x 'Blackberry Merlot'
PPAF Plant propagation prohibited

Buy Blackberry Merlot Hibiscus online. The deepest red flowering Hardy Hibiscus available on the market. 8" velvety flowers are showcased above a tight habit of dark green leaves. Flower buds are nearly as dark as the blackberries they are named for. 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.
  • New Item

Mature Height:

4-5 Feet

Mature Spread:

3-4 Feet

Hardiness Zone:

4-9

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 www.dripdepot.com for our irrigation needs, from simple to install micro and drip systems, to commercial grade irrigation parts and supplies.

Purchase BLACKBERRY MERLOT HARDY HIBISCUS Online

Eco gallon Potted

SKU: 13590

(2.64 qrts / 2.51 liters)
(2 units available now - S)

Standard Package
**HARDY HIBISCUS CANNOT BE SHIPPED UNTIL AFTER JUNE 1ST TO GUARANTEE THEY ARE BREAKING DORMANCY**



$30.00

Add to Cart

Jumbo gallon Potted

SKU: 14014

(4.04 qrts / 3.82 liters)
(54 units available now - S)

PREORDER EXPECTED READY JUNE
**HARDY HIBISCUS CANNOT BE SHIPPED UNTIL AFTER JUNE 1ST TO GUARANTEE THEY ARE BREAKING DORMANCY**



$30.00

Add to Cart
   
 

Sooner Help Zone

Quote of the Day

“Most Americans are addicted to self-sufficiency. We'll wander in the wilderness for 40 years rather than ask for directions!”

Customer Testimonials

Was very pleased with the packing and the condition of the tree, excellent nursery practice. We now have a bit of Oklahoma in our front yard in Raleigh, NC.  Thanks!


Daniel
Raleigh, NC
June 2018

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