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Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure: Sun to Partial Shade
Danger: N/A
Bloom Color: Violet/Lavender Purple
Bloom Time: Mid Summer Late Summer/Early Fall
Foliage: Herbaceous
Other details: Average Water Needs; Water regularly; do not overwater Self-sows freely; deadhead if you do not want volunteer seedlings next season
Propagation Methods: By dividing the rootball From herbaceous stem cuttings From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; stratify if sowing indoors From seed; sow indoors before last frost From seed; direct sow after last frost
Seed Collecting: Bag seedheads to capture ripening seed Allow seedheads to dry on plants; remove and collect seeds
On Apr 7, 2010, imapigeon from Gilroy (Sunset Z14), CA (Zone 9a) wrote:
Early bloomer for me (April). I planted it in full sun Jan '09, and it died back completely in the summer heat. Thought I might have lost it, but it's come back strong this spring. I moved some to another spot that has more shade. Love the color, and I think I could be happy with it reseeding!
On Feb 2, 2009, Calif_Sue from Northern California United States (Zone 9a) wrote:
I agree with the poster below "Reseeds ENTHUSIASTICALLY!"
I bought one 4" plant several years ago from Annie's Annuals, planted it in the backyard and now have them pop up readily in both front and back. It grows just about everywhere, sun and shade, rich and poor soil, high and low water. As Annie's puts it "prolific, indestructible, & everblooming!". It intertwines beautifully with all kinds of plants and they bloom off and on almost year round here. When one plant is done blooming, I either pull it or shear it completely back and it regrows quickly.
On Apr 15, 2003, clendnn from Pleasanton, CA wrote:
Pleasanton, CA (hot summers!): Stuck it in a 14" pot in basic, hardware store potting soil, pretty much ignored it beyond watering, and left it in near-full sun. It leafed out beautifully, exploded into glorious, purple bloom, wintered over with no problem, and several seedlings appeared nearby this spring - in a sunny gravel bed over solid clay soil! Pretty, easy, and tolerant of moderate neglect.
Further note after another year: Reseeds ENTHUSIASTICALLY!
Further note after several days of 100+ degree heat in August: One of the volunteers (well-established in the gravel bed from last year - I didn't have the heart to pull it), living on nothing but occasional drainage from a nearby raised bed, is quite alive and apparently none the worse for wear.
Regional...
This plant has been said to grow in the following regions:
, (2 reports) Belmont, California Fairfield, California Modesto, California Pleasanton, California Richmond, California Rohnert Park, California San Jose, California (2 reports) Santa Clara, California Stockton, California Durham, North Carolina Royersford, Pennsylvania Seattle, Washington
3 vendors have this plant for sale.
