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Hardiness: USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure: Sun to Partial Shade
Danger: N/A
Bloom Color: Light Blue White/Near White
Bloom Time: Blooms repeatedly
Foliage: Grown for foliage Silver/Gray
Other details: Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Non-patented
Propagation Methods: From herbaceous stem cuttings From woody stem cuttings From seed; sow indoors before last frost From seed; direct sow after last frost
Seed Collecting: Collect seedhead/pod when flowers fade; allow to dry Allow seedheads to dry on plants; remove and collect seeds
On May 25, 2008, straea from Somerville, MA (Zone 6b) wrote:
I first grew this plant last year, ordering it from Select Seeds (which taught me to call it by the common name "Quicksilver"), and now I wouldn't want to be without it again. It's one of those plants that is a bit resentful of transplanting, and needs a little patience and tending for a short while afterwards. Don't worry; your efforts will be rewarded. After it adjusts to its new home, it will form a tough-stalked plant with big, fuzzy, silvery leaves that would be perfect in a children's garden. By the time frosts rolled around last year, this fairly tender plant had gotten so robust that even when its biggest leaves were damaged by light to medium frosts, it would then put out new leaves as soon as the temperature got above about forty degrees F again, and it didn't die until a hard frost. I've also found it to be xeric once it adjusts to its new home. I didn't give it any compost or fertilizer and it did great for me; perhaps others are getting flimsy or floppy stalks due to rich soil?
On Feb 27, 2003, DarwinESF from Syracuse, NY (Zone 5a) wrote:
Last spring a seedling of this plant from an unknown source started growing in my lavander cuttings, I've been trying to identify it for a long time, finally finding it online last month. The plant is the easiest I've ever started from cutting, pretty much all it takes is a small stem, they've rooted for me in just under a week in wet vermiculite. I have some large plants inside this winter, and they've been flowering anytime I let a shoot get long enough. I'm assuming they don't need pollinators to be fertilized, since I've been getting seeds from these flowerings as well. I've never let it in a garden i nthe summer (I've had it in pots) so I don't know about seed survivorship overwintering information. Anyway, it's an amazing looking plant, hope this is useful for someone.
On Nov 11, 2002, jkom51 from Oakland, CA (Zone 9b) wrote:
This grows well in Zone 9 Nor. Cal coastal. Easily damaged by winds due to very brittle branches. Grows very fast but does not take transplanting well. Reasonably drought-resistant in good soil when mulched.
Regional...
This plant has been said to grow in the following regions:
Clayton, California Fairfield, California San Diego, California San Jose, California San Leandro, California Santa Ana, California Orlando, Florida Port Saint Lucie, Florida Davenport, Iowa Somerville, Massachusetts
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