Macadamia, Queensland Nut, Rough-Shelled Macadamia 'Fenton'

Macadamia tetraphylla

Family: Proteaceae (pro-tee-AY-see-ee) (Info)
Genus: Macadamia (mak-uh-DAY-mee-a) (Info)
Species: tetraphylla (tet-ruh-FIL-uh) (Info)
Cultivar: Fenton

Category:

Edible Fruits and Nuts

Trees

Water Requirements:

Unknown - Tell us

Sun Exposure:

Full Sun

Foliage:

Evergreen

Foliage Color:

Unknown - Tell us

Height:

15-20 ft. (4.7-6 m)

20-30 ft. (6-9 m)

Spacing:

20-30 ft. (6-9 m)

Hardiness:

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Where to Grow:

Unknown - Tell us

Danger:

Unknown - Tell us

Bloom Color:

Pale Pink

Pink

Rose/Mauve

Cream/Tan

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Bloom Size:

Unknown - Tell us

Bloom Time:

Mid Spring

Late Spring/Early Summer

Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

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

Escondido, California

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Nov 28, 2010, sdjimbob from San Diego, CA wrote:

This is the "rough shell" macadamia, a better choice for SoCal inland valleys. It's not the macadamia commercial growers use, but the nut is perfectly fine, and your friends will still love them. Just make sure you get a grafted variety.

A 5 gallon grafted tree took about 8 years before it reliably started producing nuts. The tree is about 30' tall now, and it seems to cycle with a heavy nut crop one year, then a light one the next year. Being over 20 years old, it's survived down to about 22 degrees and has no problem with the 5-10 typical 27-28 degree nights in the Escondido winter. The smooth shelled macadamias are more difficult in this area.

Fragant flowers start about April/May through June, and the nuts are usually ready mid December. Sometimes it flowe... read more

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