Chives · Jinhua, Zhejiang, China
When to plant chives in Jinhua
Main outdoor window
8 Feb - 1 Mar
The window this page is built around.
Timed from last spring frost
8 March
In Jinhua, on your chosen risk.
Ready to pick
9 Apr - 9 May
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 Jinhua
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
11 Jan - 1 Feb
Eight weeks before your last frost, under cover or on a windowsill.
Sow direct
8 Feb - 1 Mar
Four weeks before your last frost.
Plant
8 Feb - 1 Mar
Four weeks before your last frost.
Harvest
9 Apr - 9 May
Chives through the year
Against the frost risk in Jinhua
Why these dates
Sow once and divide every third year. First-year plants are thin; the crop is properly established in year two.
Fully dormant-hardy to -25C. Emerges as soon as soil temperature passes about 5C, often weeks before the last frost.
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. Chives are timed from 8 weeks before that frost for an indoor start, with planting out 4 weeks before it, and this page simply resolves those offsets against the frost date computed for Jinhua.
Growing chives in Jinhua
When should I plant chives in Jinhua?
Aim for 8 Feb - 1 Mar in an average year. If you would rather not gamble on the weather, wait until 22 Feb - 15 Mar - by then frost has finished in nine years out of ten.
When will chives be ready to harvest in Jinhua?
Expect to start picking around 9 Apr - 9 May, based on 60 to 90 days to maturity from the planting date calculated for this location.
How much frost will chives tolerate?
Fully dormant-hardy to -25C. Emerges as soon as soil temperature passes about 5C, often weeks before the last frost.