Xanthorrhoea Species, Forest Grasstree, Johnson's Grass Tree, Northern Grasstree

Xanthorrhoeajohnsonii

Family
Asphodelaceae (as-foh-del-AY-see-ee)
Genus
Xanthorrhoea (zan-thor-ROH-ee-uh)
Species
johnsonii (jon-so-nee-eye)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
12-15 ft. (3.6-4.7 m)
Spacing
6-8 ft. (1.8-2.4 m)
Hardiness
Bloom Color
White/Near White
Cream/Tan
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Late Fall/Early Winter
Mid Winter
Other Details
Category
Perennials
Trees
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Direct sow as soon as the ground can be worked
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Ahuimanu, Hawaii

Heeia, Hawaii

Kaneohe, Hawaii

Waikane, Hawaii

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Gardener's Notes:

1
positive
0
neutral
0
negative
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A
Albany, OR | April 2012 | positive

Much more tolerant of wet, dark conditions than I had read. Young plants survived 15oF outdoors in a 4" pot.

Featured
Brown Shield Bug
(Dictyotus caenosus)
Pacific Black Duck
(Anas superciliosa)
Featured
Brown Shield Bug
(Dictyotus caenosus)
Pacific Black Duck
(Anas superciliosa)