Safe to Plant

Zinnia · Dhirkot, Azad Kashmir, Pakistan

When to sow zinnias in Dhirkot

Main outdoor window

17-31 Mar

The window this page is built around.

Timed from last spring frost

10 March

In Dhirkot, on your chosen risk.

Ready to pick

16 May - 5 Jun

If you plant at the start of the window.

The average last frost. Half of all years are later than this.

Step by step in Dhirkot

Each window is a range, not a single day. Earlier in the range buys you a longer season; later in it buys you a safer one.

Start indoors

10-24 Feb

Four weeks before your last frost, under cover or on a windowsill.

Sow direct

17-31 Mar

One week after your last frost.

Plant out

17-31 Mar

One week after your last frost.

In flower

16 May - 5 Jun

Sow in succession. A single sowing gives you a single glut. Sow a short row every 21 days through the window above and you get a steady supply instead.
Frost tolerance
Tender
Damaged below
0°C (32°F)
Days to flowering
60–80
Min soil temp
21°C (69.8°F)
Spacing
25 cm
Sowing depth
6 mm (0.2 in)
Sun
Full

Zinnias through the year

Against the frost risk in Dhirkot

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Frost risk Start indoors Sow direct Plant out Harvest Today

Why these dates

Direct sowing after last frost usually beats transplanting - zinnias dislike root disturbance and catch up quickly.

Killed by the first frost at either end of the season. Strictly a warm-season flower.

Seed packets and extension guides express timing as weeks either side of the last spring frost, because that is the only reference point that travels. Zinnias are timed from 4 weeks before that frost for an indoor start, with planting out 1 weeks after it, and this page simply resolves those offsets against the frost date computed for Dhirkot.

The median frost-free season here is 268 days, against 60 to 80 days to first flower for this crop counted from sowing. That margin is what decides whether a late sowing is worth attempting.

See every crop timed for Dhirkot →

Growing zinnias in Dhirkot

When should I plant zinnias in Dhirkot?

Aim for 17-31 Mar in an average year. If you would rather not gamble on the weather, wait until 23 Mar - 6 Apr - by then frost has finished in nine years out of ten.

When will zinnias be ready to harvest in Dhirkot?

Expect to start picking around 16 May - 5 Jun, based on 60 to 80 days to maturity from the planting date calculated for this location.

How much frost will zinnias tolerate?

Killed by the first frost at either end of the season. Strictly a warm-season flower.