Hawai'i Silversword, Silversword

Argyroxiphiumsandwicense

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Argyroxiphium (ar-gy-roh-ZIF-ee-um)
Species
sandwicense (sand-wich-EN-see)
Synonym
Argyroxiphium sandwicense subsp. sandwicense
Sun Exposure
Full Sun
Height
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
Hardiness
Bloom Color
Pink
Rose/Mauve
Magenta (pink-purple)
Orange
Gold (yellow-orange)
Medium Purple
Bloom Time
Other Details
Category
Cactus and Succulents
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium
This plant is monocarpic
Seed Collecting
Regional

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

Morongo Valley, California

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Laurel, DE (Zone 7a) | December 2006 | neutral

This plant only grows on Haleakala Crater. It may reach 6 ft. in 50 years and then flower for the one and only time then dies off and th...Read More

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