Black Star Calla
Zantedeschia 'Schwarzwalder'
Black Star Calla blooms from June through August.
Mature size, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not.
Growing Black Star Calla
Plant it in part sun. It prefers high water. It is hardy in USDA zones 8–10. Expect it to reach about 2 ft tall and 12 in wide at maturity, in roughly 1 year.
When to plant Black Star Calla
Black Star Calla is tender: plant it out after the last frost, once the soil has warmed. In the middle of its hardy zones 8 to 10 range that means February or March; where spring comes later, it goes out later. Expect flowers from June to August.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 9 in February.
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