Purple Ageratum
Ageratum houstonianum
Purple Ageratum blooms from June through October.
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Growing Purple Ageratum
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 10–11. Expect it to reach about 12 in tall and 12 in wide at maturity, in roughly 1 year.
When to plant Purple Ageratum
Wait until all danger of frost has passed, then plant out Purple Ageratum into warm soil; in most zones that means late spring. Planted then, it flowers from June to October.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 10 in January.
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