Hibiscus 'Heartthrob' PPAF
  Common Name: Rose Mallow
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Walters Gardens Exclusive Introduction
Photo Courtesy of Walters Gardens, Inc.

From the Walters Gardens, Inc. hybridizing program comes our darkest red flowered selection to date.

Near-black, glossy, pointy buds open to lustrous, dramatic deep red blossoms with a blackish red center and veining.  Bright yellow pollen on the red anthers in the center of each blossom pops with contrast.  The 8-10” wide blossoms have rounded, overlapping petals with a hint of ruffling on the edges. 

‘Heartthrob’ forms a compact, well-branched, rounded clump of mid-green, hydrangea-like leaves.  At just 4’ tall, it fits nicely into the back of the border and offers outstanding late summer interest.

Intro Year: 2012

Breeder: Clarence Falstad

Introducer: Walters Gardens, Inc.

Origin: Native Cultivar

Characteristics:



Height:
  4 Feet
Spread:
  6 Feet
Flower Color:
  Red shades
Foliage Color:
  Green shades
Hardiness Zone:
4,5,6,7,8,9
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Average water needs
  Consistent water needs
Want to see wings?:
  Attracts hummingbirds
Need critter resistant plants?:
  Deer resistant
How fast should it grow?:
  Rapid
When should it bloom?:
  Midsummer
  Late summer
How's your soil?:
  Poor Soil
  Average Soil
  Fertile Soil
Sweet or Sour Soil?:
  Acidic Soil (pH < 7.0)
What's your garden style?:
  Cottage
  Eclectic

  Click here to view the Grower Cultural Sheet

Size(s) Offered:

  Bare Root: #1 Grade (25ct)

Attributes:

Border plants
Specimen or focal point

Homeowner Growing & Maintenance Tips:

Hibiscus love the sun and need moist, well-drained soil. Keeping these plants watered will result in larger flowers and lush foliage. Deadheading will improve the appearance of the plant. It is best to plant Hibiscus in the garden before the heat of the summer arrives, and should be heavily mulched the first winter. In spring, cut back any remaining stems before new growth appears. A strong pair of loppers or a saw will be necessary to cut this plant back.  Be advised that Hibiscus is always one of the last perennials to emerge in spring. Its vigorous growth rate more than makes up for this late start, however. Japanese beetles find these plants especially delicious.


Companions:

Common/Botanical Name
Zones  
Penstemon 'Dark Towers' PP20013 COPF
Common Name: Beardtongue
3,4,5,6,7,8
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Aster novae-angliae 'Purple Dome'
Common Name: Aster-New England
3,4,5,6,7,8
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Echinacea 'Solar Flare' PP22133
Common Name: Coneflower
4,5,6,7,8
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Panicum virgatum 'Cheyenne Sky' PP23209
Common Name: Grass-Ornamental
4,5,6,7,8,9
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While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.