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Other details: Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral)
Patent Information: Non-patented
Propagation Methods: From herbaceous stem cuttings Allow cut surface to callous over before planting From seed; sow indoors before last frost By serpentine layering
Seed Collecting: Bag seedheads to capture ripening seed Allow seedheads to dry on plants; remove and collect seeds
On Jun 6, 2006, pforrester from Fallbrook, CA wrote:
Planted in west facing border with star jasmine in front and Indian Hawthorne behind. Beautiful color all year. I live in North San Diego County just inland from the coast.
On May 29, 2004, kooger from Oostburg, WI (Zone 5b) wrote:
Bought mine May 2003, it was pretty all summer, over-wintered it in our cool bedroom (usually 55-65 deg.) and watered infrequently. Took cuttings and rooted them in soilless mix successfully and now, May 2004, have 4-5 containers with Martha Washington 'Raspberry Swirl'. Quite happy with this plant.
On Jun 10, 2003, ign from Hayward, CA (Zone 10a) wrote:
we purchased two of these (Martha Washington) late this winter. They are doing well in containers. I am having some problems with a type of bee that is taking off pieces of the flowers. Any suggestions on how to fix this? Otherwise they are putting on very nice show.
Has rounded, slightly toothed, mid green leaves on stout stems. Bears very showy, large, velvety flowers ranging from pink, white, orange, purple and red which can be seen as selfs (single colour), bicolors, light or very deep colours which appear almost black. The flower heads can be up to 5-6 inches across, each flower being about 1.5 inches across. Double flowers are produced but most commonly singles.
Flowers from June-September outside.
Grows in well drained soil (not acid) and Regals prefer partial shade. They need a frost free position and dislike winter wet so best bought indoors until last frost date.
Regional...
This plant has been said to grow in the following regions:
Citrus Heights, California Duarte, California Fallbrook, California Hayward, California Long Beach, California Manhattan Beach, California Martinez, California San Leandro, California Temple City, California Centerville, Iowa Kent, Washington