Last and first frost dates in Redding
United States
In Redding the last spring frost usually comes around 15 February and the first autumn frost around 11 December, which leaves about 299 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 14 April to 21 August.
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| Last spring frost | around 15 February |
|---|---|
| First autumn frost | around 11 December |
| Frost-free days | 299 days |
Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.
When is the last frost in Redding?
The last frost in Redding usually comes around 15 February: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 25 January, while corn waits until 17 March. The first autumn frost follows around 11 December, about 299 days later: harvest or cover frost-tender crops before then.
When to sow and plant
| Crop | Sow for seedlings | Plant out in a greenhouse | Open ground |
|---|---|---|---|
| Achocha | 23 December – 2 September | 1 February – 12 October | 22 February – 12 October |
| Ageratum | from 27 January | — | from 14 April |
| Arugula | — | — | sow 25 January – 6 November |
| Basil | 28 February – 9 October | 7 April – 16 November | 28 April – 16 November |
| Beet | — | — | sow 25 January – 12 October |
| Bell Pepper | 6 February – 22 June | 7 April – 21 August | 28 April – 21 August |
| Black-eyed Susan | from 1 December | — | from 22 February |
| Bok Choy | 28 December – 20 October | 1 February – 24 November | 22 February – 24 November |
| Borage | — | — | sow 22 February – 17 October |
| Broad bean | — | — | sow 25 January – 2 September |
| Broccoli | — | — | sow 25 January – 26 August |
| Brussels Sprouts | 20 November – 24 July | 4 January – 7 September | 25 January – 7 September |
| Busy Lizzie | from 30 November | — | from 22 February |
| Cabbage | — | — | sow 25 January – 3 August |
| Calendula | — | — | sow from 25 January |
| Carrot | — | — | sow 25 January – 18 September |
| Cauliflower | 23 November – 26 August | 4 January – 7 October | 25 January – 7 October |
| Celeriac | 16 November – 23 June | 1 February – 8 September | 22 February – 8 September |
| Celery | 16 November – 3 July | 1 February – 18 September | 22 February – 18 September |
| Celosia | from 14 February | from 31 March | from 21 April |
| Chamomile | — | — | sow 25 January – 7 October |
| Chayote | 28 November – 16 June | 24 February – 12 September | 17 March – 12 September |
| Chickpea | — | — | sow 25 January – 23 August |
| Chicory | 10 December – 17 September | — | 25 January – 12 October |
| Chili Pepper | 6 February – 29 July | 7 April – 27 September | 28 April – 27 September |
| China aster | from 14 February | from 7 April | from 28 April |
| Chives | — | — | sow 25 January – 28 September |
| Cilantro | — | — | sow 25 January – 8 October |
| Corn | — | — | sow 17 March – 23 August |
| Corn poppy | — | — | sow from 25 January |
| Cosmos | from 14 February | from 31 March | from 21 April |
| Cucumber | 10 March – 29 August | 7 April – 26 September | 28 April – 26 September |
| Daikon | — | — | sow 25 January – 5 October |
| Delphinium | from 6 November | — | from 25 January |
| Dill | — | — | sow 25 January – 18 October |
| Edging lobelia | from 30 November | — | from 22 February |
| Eggplant | 6 February – 22 June | 7 April – 21 August | 28 April – 21 August |
| Florence fennel | 18 December – 2 September | 1 February – 17 October | 22 February – 17 October |
| Foxglove | from 19 October | — | from 25 January |
| Garden sorrel | — | — | sow 25 January – 6 October |
| Green Beans | — | — | sow 21 April – 31 August |
| Hollyhock | — | — | sow from 25 January |
| Hyssop | — | — | sow 25 January – 29 August |
| Kale | — | — | sow 25 January – 30 September |
| Kiwano | 20 February – 5 September | 24 March – 7 October | 14 April – 7 October |
| Kohlrabi | — | — | sow 25 January – 10 October |
| Leek | 26 October – 14 June | 4 January – 23 August | 25 January – 23 August |
| Lemon balm | — | — | sow 25 January – 2 October |
| Lettuce | — | — | sow 25 January – 15 October |
| Lisianthus | from 9 October | from 4 January | from 25 January |
| Lovage | — | — | sow from 25 January |
| Luffa | 24 February – 30 June | 7 April – 11 August | 28 April – 11 August |
| Marigold | from 21 December | from 1 February | from 22 February |
| Marjoram | 6 February – 17 September | — | 28 April – 16 November |
| Melon | 10 March – 16 August | 7 April – 13 September | 28 April – 13 September |
| Microgreens | — | — | sow 21 April – 27 November |
| Moringa | 18 February – 22 September | 14 April – 16 November | 5 May – 16 November |
| Moss rose | from 7 December | — | from 22 February |
| Mustard greens | — | — | sow 25 January – 27 October |
| Napa cabbage | 30 December – 27 September | 1 February – 30 October | 22 February – 30 October |
| Nasturtium | from 25 December | from 1 February | from 22 February |
| Okra | 24 February – 10 September | 7 April – 22 October | 28 April – 22 October |
| Oregano | 5 November – 7 September | 4 January – 6 November | 25 January – 6 November |
| Pansy | from 9 November | from 4 January | from 25 January |
| Parsley | — | — | sow 25 January – 26 September |
| Parsnip | — | — | sow 25 January – 15 August |
| Peanut | 1 March – 6 August | 7 April – 12 September | 28 April – 12 September |
| Peas | — | — | sow 25 January – 28 September |
| Petunia | from 3 February | from 7 April | from 28 April |
| Physalis | 7 February – 3 August | 24 March – 17 September | 14 April – 17 September |
| Pumpkin | 24 February – 5 July | 7 April – 16 August | 28 April – 16 August |
| Purple coneflower | from 3 November | — | from 25 January |
| Radish | — | — | sow 25 January – 11 November |
| Sage | 16 November – 3 September | 4 January – 22 October | 25 January – 22 October |
| Scarlet sage | from 31 January | — | from 14 April |
| Snapdragon | from 31 October | from 4 January | from 25 January |
| Soybean | — | — | sow 28 April – 22 September |
| Spinach | — | — | sow 25 January – 17 October |
| Stevia | 3 February – 25 July | 24 March – 12 September | 14 April – 12 September |
| Stock | — | — | sow from 25 January |
| Sunflower | — | — | sow from 21 April |
| Sweet alyssum | — | — | sow from 25 January |
| Sweet Corn | 14 February – 17 September | 8 March – 9 October | 29 March – 9 October |
| Sweet pea | from 23 November | from 4 January | from 25 January |
| Sweet William | — | — | sow from 25 January |
| Swiss Chard | — | — | sow 25 January – 12 October |
| Thyme | — | — | sow 25 January – 23 August |
| Tomato | 31 January – 30 June | 24 March – 21 August | 14 April – 21 August |
| Turnip | — | — | sow 25 January – 14 October |
| Watercress | — | — | sow 25 January – 25 October |
| Watermelon | 10 March – 4 August | 7 April – 1 September | 28 April – 1 September |
| Zinnia | from 10 March | from 14 April | from 5 May |
| Zucchini | 17 March – 3 September | 7 April – 24 September | 28 April – 24 September |
Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.
When the soil warms up in Redding
The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 13 days before the last spring frost and 15 °C 58 days after it.
| Soil | Date | Against the last spring frost |
|---|---|---|
| 5 °C | already in the first week of January | — |
| 10 °C | 2 February | 13 days earlier |
| 15 °C | 14 April | 58 days later |
| 18 °C | 28 April | 72 days later |
Frost dates near Redding
Of the nearest cities on our list, the last spring frost ends earliest in Stockton (4 February) and latest in Carson City (1 May).
| City | Distance | Last spring frost | First autumn frost |
|---|---|---|---|
| Medford | 201 km | 30 April | 20 October |
| Sacramento | 236 km | 18 February | 11 December |
| Reno | 249 km | 16 April | 28 October |
| Carson City | 274 km | 1 May | 22 October |
| Stockton | 307 km | 4 February | 3 December |
Seeds, seedlings and markets in Redding
Within 15 km of Redding OpenStreetMap lists 1 garden centre, 1 farm-supply shop, 3 plant nurseries and 1 market (collected 28 October 2026). The nearest garden centre to the city centre is The Harvest Company, 2 km away.
- The Harvest Company — garden centre
Athens Avenue 2420, 96001 · 2 km · theharvestco.com - Palo Cedro Feed — farm supply
Old 44 Drive 22020, 96073 Palo Cedro · Mon–Sat 08:30–18:00; Sun 10:00–16:00 · 13 km · palocedrofeed.com - Lao Market — market
South Market Street 2680, 96001 · Mon–Sat 10:00–18:00; Sun 10:00–14:00 · 2 km
Places: © OpenStreetMap contributors, ODbL.
What to grow at home in winter in Redding
Frosts in Redding usually come from about 11 December to about 15 February. These plants have indoor care in their Greenly cards and are harvested quickly, so they can be sown on a windowsill in winter.
Redding: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Redding by month
Average weather in Redding over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: April–October (22.5–39.4 °C). Months that average 30 °C or more by day: June–September (33.4–39.4 °C). No month averages below 0 °C at night; the coldest nights, in February, average 4.6 °C. About 1024 mm of rain falls in a year, on 79 days; January is the wettest month (211 mm) and July the driest (0 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 13.4 | 4.7 | 211 | 14 |
| February | 15.6 | 4.6 | 141 | 9 |
| March | 17 | 5.8 | 177 | 14 |
| April | 22.5 | 9 | 69 | 8 |
| May | 28.5 | 13 | 39 | 5 |
| June | 35.2 | 17.9 | 9 | 1 |
| July | 39.4 | 21.6 | 0 | 0 |
| August | 38 | 21 | 6 | 1 |
| September | 33.4 | 17.7 | 20 | 3 |
| October | 26.2 | 12.6 | 63 | 5 |
| November | 17.6 | 7.6 | 123 | 8 |
| December | 13.1 | 4.7 | 166 | 11 |
Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).
Planted in autumn
| Crop | When to plant |
|---|---|
| Bearded Iris | by 11 November |
| Crocus | by 11 November |
| Daffodil | by 11 November |
| Garlic | 11 November – end of December |
| Grape hyacinth | by 11 November |
| Hellebore | by 11 November |
| Hyacinth | by 11 November |
| Lily | by 11 November |
| Ornamental onion | by 11 November |
| Peony | by 11 November |
| Saffron | by 11 November |
| Snowdrop | by 11 November |
| Tulip | by 11 November |
| Wild garlic | by 11 November |
From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).