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Hau Kuahiwi

Hibiscadelphusgiffardianus

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Hibiscadelphus giffardianus by Metrosideros

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Family

Malvaceae (mal-VAY-see-ee)

Info

Synonym

Sun Exposure

Sun to Partial Shade

Light Shade

Foliage

Evergreen

Smooth

Height

10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

Spacing

10-12 ft. (3-3.6 m)

Hardiness

USDA Zone 10a: to -1.1 °C (30 °F)

Danger

N/A

Bloom Color

Magenta (pink-purple)

Fuchsia (red-purple)

Bloom Time

Late Winter/Early Spring

Late Fall/Early Winter

Mid Winter

Other Details

Category

Trees

Tropicals and Tender Perennials

Water Requirements

Unknown - Tell us

Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Bloom Size

Unknown - Tell us

Other details

Soil pH requirements

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information

Non-patented

Propagation Methods

From woody stem cuttings

From seed; direct sow outdoors in fall

Direct sow as soon as the ground can be worked

Seed Collecting

Allow seedheads to dry on plants; remove and collect seeds

Seed does not store well; sow as soon as possible

Regional

This plant is said to grow outdoors in the following regions:

Kurtistown, Hawaii

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Gardener's Notes:

1

positive

0

neutral

0

negative

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Metrosideros

Keaau, HI | December 2009 | positive

Hau Kuahiwi, Hibiscadelphus giffardianus, is one of the rarest trees on Earth.
A single tree was discovered by Ranger W.C. ...Read More

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