Mercury Rising (Coreopsis 'Mercury Rising') - red flowers, illustrated plant card

Mercury Rising

Coreopsis 'Mercury Rising'

Mercury Rising blooms from June through September.

Bloom calendar
Bloom time
Jun–Sep
Hardiness
Zones 5–9
Sun
Full sun
Water
Low water
Mature size
1.3 ft × 1.3 ft
Type
Perennial
Verification

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 Mercury Rising

Plant it in full sun. It prefers low water. It is hardy in USDA zones 5–9. Expect it to reach about 1.3 ft tall and 1.3 ft wide at maturity, in roughly 2 years.

When to plant Mercury Rising

Plant Mercury Rising in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. For the middle of its hardy zones 5 to 9 range, spring means March to May and fall means September or October. Once settled, it blooms from June to September.

Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 7 in March.

The Coreopsis family

One of 12 in the Coreopsis family. Same plant, same care.

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