Greenly Garden

Last and first frost dates in Launceston

Australia

In Launceston the last spring frost usually comes around 28 August and the first autumn frost around 8 June, which leaves about 284 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 7 November to 16 February.

Last spring frostaround 28 August
First autumn frostaround 8 June
Frost-free days284 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 Launceston?

The last frost in Launceston usually comes around 28 August: 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 7 August, while corn waits until 13 October. The first autumn frost follows around 8 June, about 284 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha10 July – 28 February19 August – 8 April9 September – 8 April
Ageratumfrom 22 August—from 7 November
Arugula——sow 7 August – 3 May
Basil15 October – 5 April22 November – 13 May13 December – 13 May
Beet——sow 7 August – 8 April
Bell Pepper23 September – 18 December22 November – 16 February13 December – 16 February
Black-eyed Susanfrom 18 June—from 9 September
Bok Choy15 July – 16 April19 August – 21 May9 September – 21 May
Borage——sow 4 September – 13 April
Broad bean——sow 7 August – 28 February
Broccoli——sow 7 August – 21 February
Brussels Sprouts2 June – 19 January17 July – 4 March7 August – 4 March
Busy Lizziefrom 12 June—from 4 September
Cabbage——sow 7 August – 29 January
Calendula——sow from 7 August
Carrot——sow 7 August – 15 March
Cauliflower5 June – 21 February17 July – 3 April7 August – 3 April
Celeriac3 June – 19 December19 August – 5 March9 September – 5 March
Celery3 June – 29 December19 August – 15 March9 September – 15 March
Celosiafrom 18 Septemberfrom 2 Novemberfrom 23 November
Chamomile——sow 7 August – 3 April
Chayote26 June – 12 December22 September – 9 March13 October – 9 March
Chickpea——sow 7 August – 18 February
Chicory22 June – 14 March—7 August – 8 April
Chili Pepper23 September – 24 January22 November – 24 March13 December – 24 March
China asterfrom 1 Octoberfrom 22 Novemberfrom 13 December
Chives——sow 7 August – 25 March
Cilantro——sow 7 August – 4 April
Corn——sow 13 October – 18 February
Corn poppy——sow from 7 August
Cosmosfrom 18 Septemberfrom 2 Novemberfrom 23 November
Cucumber25 October – 24 February22 November – 23 March13 December – 23 March
Daikon——sow 7 August – 1 April
Delphiniumfrom 19 May—from 7 August
Dill——sow 7 August – 14 April
Edging lobeliafrom 17 June—from 9 September
Eggplant23 September – 18 December22 November – 16 February13 December – 16 February
Florence fennel5 July – 28 February19 August – 13 April9 September – 13 April
Foxglovefrom 1 May—from 7 August
Garden sorrel——sow 7 August – 2 April
Green Beans——sow 23 November – 26 February
Hollyhock——sow from 7 August
Hyssop——sow 7 August – 24 February
Kale——sow 7 August – 27 March
Kiwano15 September – 2 March17 October – 3 April7 November – 3 April
Kohlrabi——sow 7 August – 6 April
Leek8 May – 10 December17 July – 18 February7 August – 18 February
Lemon balm——sow 7 August – 29 March
Lettuce——sow 7 August – 11 April
Lisianthusfrom 21 Aprilfrom 17 Julyfrom 7 August
Lovage——sow from 7 August
Luffa11 October – 26 December22 November – 6 February13 December – 6 February
Marigoldfrom 8 Julyfrom 19 Augustfrom 9 September
Marjoram23 September – 14 March—13 December – 13 May
Melon25 October – 11 February22 November – 10 March13 December – 10 March
Microgreens——sow 23 November – 24 May
Moringa12 October – 19 March6 December – 13 May27 December – 13 May
Moss rosefrom 19 June—from 4 September
Mustard greens——sow 7 August – 23 April
Napa cabbage17 July – 24 March19 August – 26 April9 September – 26 April
Nasturtiumfrom 12 Julyfrom 19 Augustfrom 9 September
Okra11 October – 7 March22 November – 18 April13 December – 18 April
Oregano18 May – 4 March17 July – 3 May7 August – 3 May
Pansyfrom 22 Mayfrom 17 Julyfrom 7 August
Parsley——sow 7 August – 23 March
Parsnip——sow 7 August – 10 February
Peanut16 October – 1 February22 November – 9 March13 December – 9 March
Peas——sow 7 August – 25 March
Petuniafrom 20 Septemberfrom 22 Novemberfrom 13 December
Physalis2 September – 29 January17 October – 14 March7 November – 14 March
Pumpkin11 October – 31 December22 November – 11 February13 December – 11 February
Purple coneflowerfrom 16 May—from 7 August
Radish——sow 7 August – 8 May
Sage29 May – 29 February17 July – 18 April7 August – 18 April
Scarlet sagefrom 26 August—from 7 November
Snapdragonfrom 13 Mayfrom 17 Julyfrom 7 August
Soybean——sow 13 December – 19 March
Spinach——sow 7 August – 13 April
Stevia29 August – 20 January17 October – 9 March7 November – 9 March
Stock——sow from 7 August
Sunflower——sow from 23 November
Sweet alyssum——sow from 7 August
Sweet Corn9 September – 14 March1 October – 5 April22 October – 5 April
Sweet peafrom 5 Junefrom 17 Julyfrom 7 August
Sweet William——sow from 7 August
Swiss Chard——sow 7 August – 8 April
Thyme——sow 7 August – 18 February
Tomato26 August – 26 December17 October – 16 February7 November – 16 February
Turnip——sow 7 August – 10 April
Watercress——sow 7 August – 21 April
Watermelon25 October – 30 January22 November – 27 February13 December – 27 February
Zinniafrom 1 Novemberfrom 6 Decemberfrom 27 December
Zucchini1 November – 29 February22 November – 21 March13 December – 21 March

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 Launceston

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 12 days after the last spring frost and 15 °C 71 days after it.

SoilDateAgainst the last spring frost
5 °Calready in the first week of July—
10 °C9 September12 days later
15 °C7 November71 days later
18 °C13 December107 days later

Frost dates near Launceston

Of the nearest cities on our list, the last spring frost ends earliest in Geelong (1 July) and latest in Devonport (23 August).

CityDistanceLast spring frostFirst autumn frost
Devonport71 km23 August26 June
Hobart161 km——
Geelong436 km1 July—
Melbourne444 km4 August25 June
Ballarat514 km20 August19 June

Seeds, seedlings and markets in Launceston

Within 15 km of Launceston OpenStreetMap lists 1 garden centre, 1 farm-supply shop, 1 plant nursery and 1 market (collected 20 October 2026). The nearest farm supply to the city centre is TasHerd Pty Ltd, 9 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Launceston

Frosts in Launceston usually come from about 8 June to about 28 August. 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 Launceston by month

Average weather in Launceston over 2016–2025: the warmest month is January. Months that average 20 °C or more by day: December–March (21.7–24.7 °C). No month averages below 0 °C at night; the coldest nights, in July, average 4.3 °C. About 818 mm of rain falls in a year, on 117 days; July is the wettest month (86 mm) and February the driest (55 mm).

MonthDay, °CNight, °CRain, mmRainy days
January24.713649
February23.312.2557
March21.711.3557
April17.88.8577
May14.36.4639
June11.94.7749
July11.44.38612
August12.54.67413
September14.35.86911
October16.578612
November19.39.17112
December21.910.8649

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 9 May
Crocusby 9 May
Daffodilby 9 May
Garlic9 May – end of June
Grape hyacinthby 9 May
Helleboreby 9 May
Hyacinthby 9 May
Lilyby 9 May
Ornamental onionby 9 May
Peonyby 9 May
Saffronby 9 May
Snowdropby 9 May
Tulipby 9 May
Wild garlicby 9 May

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).