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Family: Scrophulariaceae
(skrof-yoo-larr-ee-AY-see-ee) Genus: Verbascum (ver-BASK-um) Species: olympicum (oh-LIM-pih-kum)
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Category BiennialsPerennials Water Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Full SunSun to Partial Shade Foliage SucculentFoliage Color BronzeHeight 6-8 ft. (1.8-2.4 m)Spacing 18-24 in. (45-60 cm)Hardiness 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) |
Where to Grow UnknownDanger UnknownBloom Color Bright YellowBloom Characteristics This plant is attractive to bees, butterflies and/or birdsBloom Size UnknownBloom Time Mid SummerOther details UnknownSoil pH requirements 6.1 to 6.5 (mildly acidic)6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) Patent Information Non-patentedPropagation Methods From seed; direct sow outdoors in fallFrom seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; sow indoors before last frost From seed; direct sow after last frost This plant is monocarpic Seed Collecting Allow pods to dry on plant; break open to collect seedsProperly cleaned, seed can be successfully stored |