King Palm
Archontophoenix cunninghamiana
Trunk not prominently enlarged at base. Clustered amethyst flowers are handsome in summer. Highly reco...
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King Protea
Protea cynaroides
To 3–5 ft. high and wide, with open, spreading habit. Dark green, oval leaves to 5 1/2 in. long....
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Kinnikinnick
Arctostaphylos uva-ursi
Native from Northern California to Alaska and beyond. Plant is prostrate, spreading and rooting as it ...
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Kiwi
Actinidia
Genus of about 40 species of deciduous climbers from Asia. Most are grown for their delicious fruit, b...
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Kiwifruit
Kiwi (Common)
From eastern Asia. Fast-growing, twining vines reach 30 ft., are grown for fruit with flavor that is a...
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Knapp Hill-Exbury Azalea
Rhododendron (Azalea hybrid - Knapp Hill-Exbury)
Plants vary from upright to spreading, 4 to 6 ft. tall. They produce the largest flowers found on deci...
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Knifeleaf Acacia
Acacia cultriformis
From eastern Australia. Multistemmed small tree to 10–15 ft. tall and wide, with silvery gray leaves s...
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Knobcone Pine
Pinus attenuata
Native to Oregon’s northern and central Cascades, Siskiyous, and Sierra foothills in California, south...
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Knotweed
PERSICARIA
Sturdy plants with jointed stems and small white or pink flowers. Some kinds tend to get out of hand a...
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Knotweed
Persicaria affinis
Himalayan native. Spreading plant to 1 ft. high, 2 ft. or more wide. Deep green, lance-shaped, finely ...
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Knotweed
Persicaria amplexicaulis
Himalayan native. Forms a big clump to 4 ft. tall and wide when plants are in flower. Medium green lea...
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Knotweed
Persicaria capitata
Himalayan native. Tough, trailing ground cover 3–6 in. high; spreads indefinitely both by rootin...
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