= Water twice per month or less, once established.
= Water about once per week, once established.
= Water about twice per week, once established.
= Water three days per week, or more.
Use the plant water needs as a guideline. Actual plant water needs will vary for several reasons, including weather conditions, soil type, sun exposure, root depth, wind and elevation. Adjust your watering schedule as needed to meet the plants' needs at your site. Water recent transplants more often than established plants.
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Verbascum bombyciferum
low
yellow
summer
3 to 6 ft.
1 to 2 ft.
No
Asia Minor
sun
USDA zones 5-9
not specified
Arctic ice mullein is a striking flowering plant. Since it is a biennial, it lives only for two years. The first growing season, the large, woolly silver leaves form a basal rosette. The following growing season, a sturdy stem rises from the center and holds one or more flower stalks bearing round, yellow flowers. After flowering, the plant dies. Seedlings may grow and replace the original plant if the seed is allowed to mature and disperse.
Arctic summer mullein has been a successful cultivar at the Xeriscape Demonstration Garden. Its fuzzy leaves and clear yellow flowers make it an attractive plant. It reseeds readily, so it is necessary to thin the seedlings so it doesn't overtake an area.
Thin seedlings as needed. After flowering, remove the plant when it dies.
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