Bitlis, Bitlis, Turkey

Planting calendar for Bitlis

Worked out from 30 years of daily minimum temperatures for this location — not from a zone map, and not from the nearest big city. Move the dial to change how much frost risk you are willing to carry, and every date on the page re-times itself.

Last spring frost

24 April

Frost has finished by this date in 1 year in 2.

First autumn frost

31 October

Bring tender crops in before this date.

Frost-free season

191 days

Long season

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

Sow this week in Bitlis

Windows that are open today, 25 September. The ones marked in amber are closing within a fortnight.

The growing year in Bitlis

307 crops, timed to the dates above

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

Frost risk Start indoors Autumn sowing Sow direct Plant out Plant Harvest Today

Each bar is a model window, not a deadline. Windows for crops needing a winter suitability check are conditional; open the crop page before planting. Unverified flowering and harvest predictions are withheld. Tap or hover a bar for its dates, or follow a crop name for the full timing and a harvest estimate. The blue wash is the measured weekly chance of frost across the whole record. There is also a printable one-page version of this calendar for the shed wall.

The climate behind these dates

Jan Mar Apr Jul Sep Oct Dec
Chance of at least one air frost during each week of the year, measured across the full record. The flat stretch in the middle is your frost-free season.
J
F
M
A
M
J
J
A
S
O
N
D

Mean monthly temperature across the record. Months shown in blue average at least one air frost.

Hardiness zone
6a
Typical winter low
-21°C (-5.9°F)
Growing degree days
1,628 base 10°C
Soil workable from
18 Apr
Soil warm from
3 Jun

Full frost table for Bitlis →

Printable one-page calendar →

Questions about frost in Bitlis

When is the last frost in Bitlis?

The median last spring frost in Bitlis falls on 24 April. In one year in ten frost continues as late as 7 May, so if you cannot protect tender plants, 7 May is the safer date to work to.

When is the first frost in Bitlis?

The median first autumn frost in Bitlis falls on 31 October, though in one year in ten it arrives by 20 October. Tender crops should be harvested before that earlier date.

How long is the growing season in Bitlis?

About 191 frost-free days on a median year - long by world standards. Taking the cautious view at both ends, plan for roughly 166 dependable days.

What hardiness zone is Bitlis in?

Bitlis sits in USDA-equivalent zone 6a, based on a mean annual extreme minimum of -21°C (-5.9°F). Perennials rated to this zone or lower should survive an average winter here.

Can I trust these dates exactly?

They are statistics, not forecasts. They describe what happened across 30 years of records at this location and say nothing about this particular spring. Frost is also intensely local: a low-lying or exposed garden can run a week behind the figures on this page.

Seasonal context

Rainfall and the growing season in Bitlis

April has the highest average precipitation (88 mm); August has the lowest (3 mm). Compare this pattern with the planting windows and your water supply.

Jan 83 mm
Feb 83 mm
Mar 88 mm
Apr 88 mm
May 58 mm
Jun 16 mm
Jul 6 mm
Aug 3 mm
Sep 11 mm
Oct 56 mm
Nov 62 mm
Dec 84 mm

During wetter months, check that beds and containers drain after heavy rain. During drier months, plan how you will keep seeds and new transplants watered. Monthly averages can hide long dry spells and intense storms; they do not show soil moisture, humidity or this week's weather.

Source: NASA POWER, corrected MERRA-2 precipitation, 2001–2020. Values are approximate monthly totals, including the water equivalent of snow, from the nearest 0.5° × 0.625° grid cell. This reference period differs from the temperature record. Rainfall provides context and does not change the calculated planting dates. Method and limitations.

Plan your crops in My Garden