Greenly Garden

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.

Last spring frostaround 15 February
First autumn frostaround 11 December
Frost-free days299 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

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha23 December – 2 September1 February – 12 October22 February – 12 October
Ageratumfrom 27 January—from 14 April
Arugula——sow 25 January – 6 November
Basil28 February – 9 October7 April – 16 November28 April – 16 November
Beet——sow 25 January – 12 October
Bell Pepper6 February – 22 June7 April – 21 August28 April – 21 August
Black-eyed Susanfrom 1 December—from 22 February
Bok Choy28 December – 20 October1 February – 24 November22 February – 24 November
Borage——sow 22 February – 17 October
Broad bean——sow 25 January – 2 September
Broccoli——sow 25 January – 26 August
Brussels Sprouts20 November – 24 July4 January – 7 September25 January – 7 September
Busy Lizziefrom 30 November—from 22 February
Cabbage——sow 25 January – 3 August
Calendula——sow from 25 January
Carrot——sow 25 January – 18 September
Cauliflower23 November – 26 August4 January – 7 October25 January – 7 October
Celeriac16 November – 23 June1 February – 8 September22 February – 8 September
Celery16 November – 3 July1 February – 18 September22 February – 18 September
Celosiafrom 14 Februaryfrom 31 Marchfrom 21 April
Chamomile——sow 25 January – 7 October
Chayote28 November – 16 June24 February – 12 September17 March – 12 September
Chickpea——sow 25 January – 23 August
Chicory10 December – 17 September—25 January – 12 October
Chili Pepper6 February – 29 July7 April – 27 September28 April – 27 September
China asterfrom 14 Februaryfrom 7 Aprilfrom 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
Cosmosfrom 14 Februaryfrom 31 Marchfrom 21 April
Cucumber10 March – 29 August7 April – 26 September28 April – 26 September
Daikon——sow 25 January – 5 October
Delphiniumfrom 6 November—from 25 January
Dill——sow 25 January – 18 October
Edging lobeliafrom 30 November—from 22 February
Eggplant6 February – 22 June7 April – 21 August28 April – 21 August
Florence fennel18 December – 2 September1 February – 17 October22 February – 17 October
Foxglovefrom 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
Kiwano20 February – 5 September24 March – 7 October14 April – 7 October
Kohlrabi——sow 25 January – 10 October
Leek26 October – 14 June4 January – 23 August25 January – 23 August
Lemon balm——sow 25 January – 2 October
Lettuce——sow 25 January – 15 October
Lisianthusfrom 9 Octoberfrom 4 Januaryfrom 25 January
Lovage——sow from 25 January
Luffa24 February – 30 June7 April – 11 August28 April – 11 August
Marigoldfrom 21 Decemberfrom 1 Februaryfrom 22 February
Marjoram6 February – 17 September—28 April – 16 November
Melon10 March – 16 August7 April – 13 September28 April – 13 September
Microgreens——sow 21 April – 27 November
Moringa18 February – 22 September14 April – 16 November5 May – 16 November
Moss rosefrom 7 December—from 22 February
Mustard greens——sow 25 January – 27 October
Napa cabbage30 December – 27 September1 February – 30 October22 February – 30 October
Nasturtiumfrom 25 Decemberfrom 1 Februaryfrom 22 February
Okra24 February – 10 September7 April – 22 October28 April – 22 October
Oregano5 November – 7 September4 January – 6 November25 January – 6 November
Pansyfrom 9 Novemberfrom 4 Januaryfrom 25 January
Parsley——sow 25 January – 26 September
Parsnip——sow 25 January – 15 August
Peanut1 March – 6 August7 April – 12 September28 April – 12 September
Peas——sow 25 January – 28 September
Petuniafrom 3 Februaryfrom 7 Aprilfrom 28 April
Physalis7 February – 3 August24 March – 17 September14 April – 17 September
Pumpkin24 February – 5 July7 April – 16 August28 April – 16 August
Purple coneflowerfrom 3 November—from 25 January
Radish——sow 25 January – 11 November
Sage16 November – 3 September4 January – 22 October25 January – 22 October
Scarlet sagefrom 31 January—from 14 April
Snapdragonfrom 31 Octoberfrom 4 Januaryfrom 25 January
Soybean——sow 28 April – 22 September
Spinach——sow 25 January – 17 October
Stevia3 February – 25 July24 March – 12 September14 April – 12 September
Stock——sow from 25 January
Sunflower——sow from 21 April
Sweet alyssum——sow from 25 January
Sweet Corn14 February – 17 September8 March – 9 October29 March – 9 October
Sweet peafrom 23 Novemberfrom 4 Januaryfrom 25 January
Sweet William——sow from 25 January
Swiss Chard——sow 25 January – 12 October
Thyme——sow 25 January – 23 August
Tomato31 January – 30 June24 March – 21 August14 April – 21 August
Turnip——sow 25 January – 14 October
Watercress——sow 25 January – 25 October
Watermelon10 March – 4 August7 April – 1 September28 April – 1 September
Zinniafrom 10 Marchfrom 14 Aprilfrom 5 May
Zucchini17 March – 3 September7 April – 24 September28 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.

SoilDateAgainst the last spring frost
5 °Calready in the first week of January—
10 °C2 February13 days earlier
15 °C14 April58 days later
18 °C28 April72 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).

CityDistanceLast spring frostFirst autumn frost
Medford201 km30 April20 October
Sacramento236 km18 February11 December
Reno249 km16 April28 October
Carson City274 km1 May22 October
Stockton307 km4 February3 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.

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.

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).

MonthDay, °CNight, °CRain, mmRainy days
January13.44.721114
February15.64.61419
March175.817714
April22.59698
May28.513395
June35.217.991
July39.421.600
August382161
September33.417.7203
October26.212.6635
November17.67.61238
December13.14.716611

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

CropWhen to plant
Bearded Irisby 11 November
Crocusby 11 November
Daffodilby 11 November
Garlic11 November – end of December
Grape hyacinthby 11 November
Helleboreby 11 November
Hyacinthby 11 November
Lilyby 11 November
Ornamental onionby 11 November
Peonyby 11 November
Saffronby 11 November
Snowdropby 11 November
Tulipby 11 November
Wild garlicby 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).