Thyme · Irkutsk, Irkutsk Oblast, Russia
When to plant thyme in Irkutsk
Main outdoor window
20 May - 10 Jun
The window this page is built around.
Timed from last spring frost
20 May
In Irkutsk, on your chosen risk.
Ready to pick
18 Aug - 17 Sep
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 Irkutsk
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
25 Mar - 15 Apr
Eight weeks before your last frost, under cover or on a windowsill.
Plant
20 May - 10 Jun
Around your last frost.
Harvest
18 Aug - 17 Sep
Thyme through the year
Against the frost risk in Irkutsk
Why these dates
Very slow from seed and best started indoors well ahead of the season, or simply bought as a plant.
Survives -18C. As with oregano, waterlogged winter soil is the real threat.
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. Thyme are timed from 8 weeks before that frost for an indoor start, with planting out 0 weeks after it, and this page simply resolves those offsets against the frost date computed for Irkutsk.
Growing thyme in Irkutsk
When should I plant thyme in Irkutsk?
Aim for 20 May - 10 Jun in an average year. If you would rather not gamble on the weather, wait until 27 May - 17 Jun - by then frost has finished in nine years out of ten.
When will thyme be ready to harvest in Irkutsk?
Expect to start picking around 18 Aug - 17 Sep, based on 90 to 120 days to maturity from the planting date calculated for this location.
How much frost will thyme tolerate?
Survives -18C. As with oregano, waterlogged winter soil is the real threat.