Botanical Name: Iris douglasiana
Common Name: Douglas Iris, Coast Iris
Type of Plant: monocot: perennial
Character evergreen
 
Habit of Growth:
Overall Shape small, develops a clumping habit; of mostly erect leaves arising from underground rhizome
Height 1' - 2'
Spread equal or more
Growth Rate slow
 
Environment:
Exposure outdoors partial sun best; full sun near coast
Soil tolerates most
Hardiness hardy (zones 4-24): best in mild habitats
 
Morphology:
Leaves narrow, sword-like, to 12" - 18" long, dark green
Flowers blue-purple, 1 ½"-3" across, on erect 1'-2' stalks; March - June
Fruit small ovoid capsule 1-1/2" long
 
Propagation:
division, seed
 
Usage:
border plantings, facers, good in rock gardens, shaded slopes
 
Landscape Care:
Watering occasional soak
Fertilizing little needed after established
Pruning none, except to remove old flowers or leaves
Pests/Diseases relatively free
Special Conditions/Other control size and spread in well-watered areas
 
Origin: coastal range of central and northern California
Family: Iridaceae

Notes:
 
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