Scaevola (Fan Flower): Timing, Spacing, Care & Bloom
Quick answer
Start indoors 6–8 weeks before last frost (NC). Transplant after last frost (Clemson). Soil ~65°F stays
Scaevola at a glance
Weeks relative to last frost (LF). Colored weeks show when our ZIP planner schedules each step.
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Fan flower (Scaevola aemula) — trailing tender perennial grown as an annual in most of the U.S.; perennial in zones 10–11 (NC).

Sourced from university extension guides. For dates where you live, use the ZIP planting planner.
Planting timing
NC State: seed started indoors 6 to 8 weeks before the last frost date. (NC Scaevola) Clemson: plant in spring after the last frost when soil temperatures reach 65°F (65°F = words companion). (Clemson scaevola)
Depth and spacing
Trailing habit for baskets and edges; give room to spill.
Sun, soil and water
Full sun to light shade; well-drained — root rot if too wet (Clemson).
Care and bloom
Fan-shaped flowers summer to frost (NC). Watch mealybugs (Clemson).
Pests and diseases
Mealybugs; root rot if too wet (Clemson). Drainage first.
Related: ZIP planner · planting calendars
Frequently asked questions
When do I start?
6–8 weeks before last frost (−8/−6).
When outside?
After last frost (0); soil ~65°F.
Zones?
Annual most places; perennial 10–11 (NC).
Sources
- NC State Extension: NC Scaevola
- Clemson Cooperative Extension: Clemson scaevola