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Oct 09, How to Prune Lupines. The number of lupine species are many, but all feature spires of blooms similar to a pea flower -- they are also in the Fabaceae family -- in colors ranging from bright blue. The silver bush lupine grows into a rounded shrub growing ft. tall with silky gray-green leaves. Blue to purple flowers grow on in. long spikes from early to late spring.

This highly adaptable California native lupine occurs across much of our state in grassland, foothill, valley and desert habitats where it is appreciated Silver bush lupine Read More┬╗Estimated Reading Time: 2 mins. Pruning Aphid-Infested Plants. Sap-draining aphids frequently overrun lupine stems and leaves.

Pruning a plant at the first sign of an infestation may be the only way to save it. Using stem cutters, remove all visibly infested stems and leaves and dispose of. Silver lupine, white-leaf bush lupine, or evergreen lupine, is a perennial species native to California, Oregon, and northern Baja.

It grows along the coast, foothills of the Sierras and into the mountains, in dry and open meadows, prairies and forest clearings. It is a member of several plant communities, including coastal sage scrub, chaparral, northern coastal scrub, foothill.

Silver bush lupine is a drought-tolerant plant that grows well in hot, sunny areas with little rain. Give the plant about 1 inch of water per week during the seedling stage. When mature, silver.

Department of Agriculture plant hardiness zones 4a to 8a if they are grown under the right conditions and deadheaded after blooming.

Sliver Bush Lupine is a ' perennial with flowers 3" blue spikes on a white-silver bush. Many varieties range from S. Ore. to N. Baja. It needs full sun, good drainage, will tolerate some water but best on the dry side. Cold tolerant to deg. when planted.

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Seems to be deer proof. Very fast to 3' then slowly to 5'. L. arboreus is a fast-growing medium-sized evergreen shrub with palmate grey-green leaves composed of leaflets, silky-hairy beneath, and fragrant, yellow, or rarely blue, flowers in erect racemes to 30cm in length in late spring and summer.

Other common names.