Delft Blue
Hyacinthus 'Delft Blue'
Delft Blue blooms from March through April.
This entry comes from our curated library and has not yet been independently checked against outside sources. Curated is not unreliable: a standing audit keeps every entry internally consistent, and the source-by-source check is working through the whole library in the open.
Growing Delft Blue
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 4–8. Expect it to reach about 10 in tall and 5 in wide at maturity, in roughly 1 year.
When to plant Delft Blue
Delft Blue is a fall-planted bulb: get it in the ground 6 to 8 weeks before the ground freezes, typically September or October across zones 4 to 8. It pays you back the following March to April.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 6 in September.
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