Green bean · Petrodvorets, St.-Petersburg, Russia
When to plant green beans in Petrodvorets
Main outdoor window
11-25 Jun
A climate estimate. Check your soil, forecast and cultivar.
Timed from last spring frost
4 May
In Petrodvorets, on your chosen risk.
Ready to pick
31 Jul - 10 Aug
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 Petrodvorets
Download these planting dates (.ics)
Import into Apple Calendar, Google Calendar or Outlook. Dates use the selected risk level and are planning estimates, not frost alerts.
Each window is a planning range. Check the forecast, soil and cultivar before planting; a later date is not automatically safer in hot or wet conditions.
Sow direct
11-25 Jun
Delayed by a soil-warming estimate derived from historical air temperatures. The frost-only date would be 11 May. Measure your soil before planting.
Harvest
31 Jul - 10 Aug
Green beans through the year
Against the frost risk in Petrodvorets
Seasonal context
Rainfall and the growing season in Petrodvorets
August has the highest average precipitation (90 mm); February has the lowest (38 mm). Compare this pattern with the planting windows and your water supply.
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.
Monthly growing conditions in Petrodvorets
Compare the planting window with the local temperature pattern. These are historical monthly averages, not this year's forecast or measured soil temperatures. Average frost days do not tell you whether a particular night will freeze.
| Month | Average low | Average high | Frost days |
|---|---|---|---|
| January | -10.4°C (13.4°F)13.4°F (-10.4°C) | -5.6°C (21.9°F)21.9°F (-5.6°C) | 29.9 |
| February | -10.2°C (13.6°F)13.6°F (-10.2°C) | -4.8°C (23.3°F)23.3°F (-4.8°C) | 27.5 |
| March | -6°C (21.1°F)21.1°F (-6°C) | -0.3°C (31.5°F)31.5°F (-0.3°C) | 29.3 |
| April | -0.2°C (31.6°F)31.6°F (-0.2°C) | 7.3°C (45.1°F)45.1°F (7.3°C) | 16.4 |
| May | 5.5°C (41.8°F)41.8°F (5.5°C) | 13.9°C (57°F)57°F (13.9°C) | 2.0 |
| June | 11°C (51.7°F)51.7°F (11°C) | 18.6°C (65.5°F)65.5°F (18.6°C) | 0.0 |
| July | 14°C (57.3°F)57.3°F (14°C) | 21.3°C (70.4°F)70.4°F (21.3°C) | 0.0 |
| August | 13°C (55.3°F)55.3°F (13°C) | 20.1°C (68.3°F)68.3°F (20.1°C) | 0.0 |
| September | 8.5°C (47.3°F)47.3°F (8.5°C) | 15°C (58.9°F)58.9°F (15°C) | 0.0 |
| October | 3°C (37.4°F)37.4°F (3°C) | 7.5°C (45.5°F)45.5°F (7.5°C) | 7.2 |
| November | -2.6°C (27.4°F)27.4°F (-2.6°C) | 0.9°C (33.5°F)33.5°F (0.9°C) | 20.1 |
| December | -7.6°C (18.4°F)18.4°F (-7.6°C) | -3.4°C (25.8°F)25.8°F (-3.4°C) | 28.2 |
For green beans, also check drainage, sunlight and cultivar requirements. See the rainfall context above; humidity, irrigation and local pest pressure are not calculated.
Local growing check
Before choosing green beans for Petrodvorets
- August is the wettest month in the rainfall grid, averaging about 90 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.
The temperature and rainfall tables on this page show the underlying climate estimates. How these suitability checks work · Record what happens in your garden.
Before you plant green beans
Use the calendar to plan ahead, then check the conditions in your own garden.
- Measure the soil at sowing depth. Aim for at least 15°C (59°F); the calendar estimates soil warmth from air temperatures and cannot measure your bed.
- Check the local overnight forecast before planting out. Delay planting or keep protection ready if frost is forecast, even after the historical last-frost date.
- Use the maturity range on your seed packet when choosing a variety. Cold, short days and transplant stress can make harvest later than the calendar estimate.
Bush or climbing beans: plan for the growth habit
Sow into warm conditions or start a small batch indoors. These beans are frost-tender: harden off young plants and wait until the bed has warmed and frost risk has eased.
Install a trellis or canes before planting climbing varieties. Give plants sun and well-drained soil, and maintain moisture as flowering and pod development begin.
Pick tender pods often. If a large harvest arrives at once, use smaller repeat sowings within the local window next time, rather than relying on one large batch.
Growing in a container
Dwarf beans are a practical choice for pots. Climbing beans need a larger container and supports secured against wind.
Further reading: RHS French bean growing guide . General crop guidance; local dates on this site are calculated separately. Source checked 18 September 2026 by Safe to Plant; this is not an expert review.
How the dates are calculated and their limits · Keep a growing record · Report a local discrepancy
Why these dates
Sow into warm conditions or start a small batch indoors. These beans are frost-tender: harden off young plants and wait until the bed has warmed and frost risk has eased.
Check the named variety and local forecast before exposing young growth. The catalog cold-damage figure is a reference, not a guarantee: plant age, acclimatisation, wind and the duration of a freeze affect damage.
This calendar uses frost-relative offsets as a starting point. Green beans are timed for direct sowing 1 weeks after it, and this page simply resolves those offsets against the frost date computed for Petrodvorets.
The calendar also applies a soil-warming estimate derived from historical air temperatures. Where that estimate is later than the frost-based date, it delays the window. Soil in your own garden can warm earlier or later; a thermometer at sowing depth is a better final check. Cold, wet conditions can slow germination and increase decay risk.
The median frost-free season here is 167 days, against 50 to 60 days to maturity for this crop counted from sowing. That margin is what decides whether a late sowing is worth attempting.
Nearby
Green beans in places close by
Also in Petrodvorets
Other vegetables to time
Growing green beans in Petrodvorets
Can I grow green beans in Petrodvorets?
The calendar estimates a planting window, not a guarantee of success. August is the wettest month in the rainfall grid, averaging about 90 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.
When should I plant green beans in Petrodvorets?
Aim for 11-25 Jun in an average year. If you would rather not gamble on the weather, wait until 11-25 Jun - by then frost has finished in nine years out of ten.
Can I plant green beans earlier in Petrodvorets?
The historical frost estimate is 11 May. For Green beans, an air-temperature model estimates soil warmth of about 15°C (59°F) around 11 Jun. This is not a soil measurement or a forecast. Check your bed at sowing depth; cold, wet conditions can slow growth and increase decay risk.
When might green beans be ready to harvest in Petrodvorets?
The estimated period is 31 Jul - 10 Aug, based on 50 to 60 days from the modeled planting date. Cultivar, planting material and growing conditions can change this interval; check the plant as well as the calendar.
How much frost will green beans tolerate?
Check the named variety and local forecast before exposing young growth. The catalog cold-damage figure is a reference, not a guarantee: plant age, acclimatisation, wind and the duration of a freeze affect damage.