King Protea, Giant Protea 'Arctic Ice'

Proteacynaroides

Family
Proteaceae (pro-tee-AY-see-ee)
Genus
Protea (PROH-tee-uh)
Species
cynaroides (sin-ar-OY-deez)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Height
4-6 ft. (1.2-1.8 m)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
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)
Bloom Color
White/Near White
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From semi-hardwood cuttings
By simple layering
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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Gardener's Notes:

1
positive
0
neutral
0
negative
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(Zone 1) | August 2014 | positive

This protea enjoys full sun, coastal areas, is frost tolerant, and after a prune back - when flowering is finished - keeps its shape. Sor...Read More

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