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0.0°
Near frost tonight at 04:00. Bring in or cover sensitive plants
0.1°
Last 24h: Near frost recorded tonight at 02:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 3 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 193 days 3 Apr – 13 Oct
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Fleece
5 – 19 Mar
5-7 wk
23 Apr
3 wk after
14 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
28 Mar
1 wk before
Chili pepper
Capsicum annuum
Season too short
19 Feb – 19 Mar
8-12 wk
14 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Jan
5-7 wk
4 Mar
4 wk before
21 Mar
2 wk before
Cucumber
Cucumis sativus
Season too short
16 – 23 Apr
3-4 wk
14 May
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
9 – 16 Apr
4-5 wk
14 May
6 wk after
16 Apr
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
16 – 23 Apr
3-4 wk
14 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Jan – 6 Feb
8-12 wk
3 Apr
Vid frost
16 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 Apr
2 wk after
16 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
21 – 28 Apr
3-4 wk
19 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 Apr
3-4 wk
5 May
5 wk after
16 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Jan
5-7 wk
4 Mar
4 wk before
21 Mar
2 wk before
Potato
Solanum tuberosum
25 Feb – 11 Mar
4-6 wk
8 Apr
1 wk after
8 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Jan
5-7 wk
4 Mar
4 wk before
28 Mar
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
16 – 23 Apr
3-4 wk
14 May
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 Apr
3-4 wk
5 May
5 wk after
16 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
Lettuce
Lactuca sativa
25 Feb – 4 Mar
3-4 wk
25 Mar
1 wk before
28 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Feb
4-6 wk
25 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 Feb – 7 Mar
2-4 wk
21 Mar
2 wk before
21 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 Mar
1 wk before
28 Mar
1 wk before
Spinach
Spinacia oleracea
14 – 21 Feb
3-4 wk
14 Mar
3 wk before
14 Mar
3 wk before
Sweet potato
Ipomoea batatas
5 – 19 May
4-6 wk
16 Jun
11 wk after
Tomato
Solanum lycopersicum
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
1 – 15 Apr
2-4 wk
29 Apr
4 wk after
16 Apr
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Mar
4-6 wk
23 Apr
3 wk after
Pea
Pisum sativum
14 – 21 Feb
3-4 wk
14 Mar
3 wk before
28 Mar
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
7 – 21 Apr
4-6 wk
19 May
7 wk after
Lemon balm
Melissa officinalis
23 Jan – 6 Feb
8-10 wk
3 Apr
Vid frost
29 Apr
4 wk after
Dill
Anethum graveolens
28 Mar
1 wk before
Chives
Allium schoenoprasum
7 – 21 Jan
6-8 wk
4 Mar
4 wk before
28 Mar
1 wk before
Spearmint
Mentha spicata
20 Dec – 17 Jan
8-12 wk
14 Mar
3 wk before
29 Apr
4 wk after
Coriander
Coriandrum sativum
16 Apr
2 wk after
Sage
Salvia officinalis
24 Feb – 10 Mar
8-10 wk
5 May
5 wk after
Thyme
Thymus vulgaris
12 – 26 Feb
8-10 wk
23 Apr
3 wk after
Oregano
Origanum vulgare
15 Feb – 1 Mar
6-8 wk
12 Apr
1 wk after
29 Apr
4 wk after
Parsley
Petroselinum crispum
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
28 Mar
1 wk before
Rosemary
Salvia rosmarinus
Fleece
15 Jan – 12 Feb
10-14 wk
23 Apr
3 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
1 – 8 May
3-4 wk
29 May
8 wk after
Cornflower
Centaurea cyanus
14 Mar
3 wk before
28 Mar
1 wk before
Statice
Limonium sinuatum
Greenhouse
18 Feb – 4 Mar
8-10 wk
29 Apr
4 wk after
Sweet William
Dianthus barbatus
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
8 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
6 May
5 wk after
Dahlia
Dahlia × pinnata
Fleece
10 – 24 Mar
6-8 wk
5 May
5 wk after
Dahlia (tubers)
Dahlia × pinnata
4 Mar – 1 Apr
4-8 wk
29 Apr
4 wk after
29 Apr
4 wk after
Foxglove
Digitalis purpurea
3 – 17 Jan
8-10 wk
14 Mar
3 wk before
16 Apr
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
6 Mar – 3 Apr
8-12 wk
29 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
17 Apr – 1 May
4-6 wk
29 May
8 wk after
Chinese lantern
Physalis alkekengi
Fleece
12 – 26 Feb
8-10 wk
23 Apr
3 wk after
Love in a mist
Nigella damascena
28 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
6 May
5 wk after
Tall verbena
Verbena bonariensis
Fleece
29 Jan – 26 Feb
8-12 wk
23 Apr
3 wk after
Cardoon
Cynara cardunculus
Season too short
4 Feb – 4 Mar
8-12 wk
29 Apr
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
19 Feb – 19 Mar
8-12 wk
14 May
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
6 wk after
Corn poppy
Papaver rhoeas
28 Mar
1 wk before
Snapdragon
Antirrhinum majus
31 Dec – 28 Jan
8-12 wk
25 Mar
1 wk before
8 Apr
1 wk after
Flossflower
Ageratum houstonianum
Season too short
5 – 19 Mar
8-10 wk
14 May
6 wk after
Sweet pea
Lathyrus odoratus
17 Jan – 7 Feb
5-8 wk
14 Mar
3 wk before
Stock
Matthiola incana
28 Jan – 11 Feb
6-8 wk
25 Mar
1 wk before
16 Apr
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
16 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
2 – 16 Apr
4-6 wk
14 May
6 wk after
Pansy
Viola × wittrockiana
24 Dec – 7 Jan
8-10 wk
4 Mar
4 wk before
8 Apr
1 wk after
Petunia
Petunia
Greenhouse
4 Feb – 4 Mar
8-12 wk
29 Apr
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
26 Feb – 12 Mar
6-8 wk
23 Apr
3 wk after
29 Apr
4 wk after
Zinnia
Zinnia elegans
Greenhouse
18 Mar – 1 Apr
4-6 wk
29 Apr
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
9 – 23 Apr
3-5 wk
14 May
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
18 Mar – 1 Apr
4-6 wk
29 Apr
4 wk after
16 Apr
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
8 wk after
Bee balm
Monarda didyma
9 Jan – 6 Feb
8-12 wk
3 Apr
Vid frost
29 Apr
4 wk after
Yarrow
Achillea millefolium
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
16 Apr
2 wk after
Safflower
Carthamus tinctorius
14 Mar
3 wk before
28 Mar
1 wk before
Iceland poppy
Papaver nudicaule
7 – 21 Jan
6-8 wk
4 Mar
4 wk before
21 Mar
2 wk before
Bishop's flower
Ammi majus
7 – 21 Mar
4-6 wk
18 Apr
2 wk after
16 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
19 Feb – 5 Mar
10-12 wk
14 May
6 wk after
Sunflower
Helianthus annuus
Greenhouse
1 – 8 Apr
3-4 wk
29 Apr
4 wk after
2 Apr
China aster
Callistephus chinensis
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
16 Apr
2 wk after
Annual phlox
Phlox drummondii
Fleece
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
29 Apr
4 wk after
Hollyhock
Alcea rosea
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
16 Apr
2 wk after
Delphinium
Delphinium elatum
29 Jan – 26 Feb
8-12 wk
23 Apr
3 wk after
29 Apr
4 wk after
African marigold
Tagetes erecta
Greenhouse
4 – 18 Mar
6-8 wk
29 Apr
4 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Mar
6-8 wk
5 May
5 wk after
14 May
6 wk after
Woodland sage
Salvia nemorosa
1 – 15 Feb
8-10 wk
12 Apr
1 wk after
29 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
5 Mar – 2 Apr
6-10 wk
14 May
6 wk after
California goldenpoppy
Eschscholzia californica
28 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
18 Feb – 4 Mar
8-10 wk
29 Apr
4 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Jan
6-8 wk
14 Mar
3 wk before
16 Apr
2 wk after
Current date Soon Date passed