Zinnia
Zinnia elegans
In a typical UK garden, sow indoors late March to mid-April, sow outside early May to early August, plant out early May to early June, and harvest late June to late October.
When to sow, plant and harvest
Last frost around 20 April, first frost around 31 October.
- Sow indoors
- late March to mid-April
- Sow outdoors
- early May to early August
- Plant out
- early May to early June
- Harvest
- late June to late October
Growing facts
- Spacing
- 30 cm apart, rows 45 cm apart
- Square foot
- 1 per square (30 cm squares)
- Sowing depth
- 0.5 cm
- Ready in
- 35 to 60 days from planting out
- Grows to
- 60 cm
- Hardiness
- Tender: killed by any frost
- Sun
- Full sun
- Crops for
- About 10 weeks
Growing tip
Wait for warm nights before planting out, and water at the base. Space plants well to keep powdery mildew down.
Neighbours
Flowers are one crop rotation group. Try not to grow them where any of the family grew in the last two or three years. How crop rotation works
More flowers
Where these figures come from
Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For zinnia, we used:
Grow zinnia with VegLog
Add zinnia to a bed and VegLog reminds you when to sow, plant out and pick, timed to your own town's frost dates.
