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0.5°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 4 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 193 days 4 Apr – 14 Oct
Probability that frost is over

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

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Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
16 – 30 Mar
5-7 wk
4 May
4 wk after
31 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
2 wk after
31 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
26 Feb – 26 Mar
8-12 wk
21 May
7 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
27 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
23 – 30 Apr
3-4 wk
21 May
7 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 Apr
4-5 wk
21 May
7 wk after
25 Apr
3 wk after
Butter bean
Phaseolus lunatus
Greenhouse
12 – 19 Apr
3-4 wk
10 May
5 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
17 Apr
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 Apr
1 wk after
Sweetcorn
Zea mays
Fleece
22 – 29 Apr
3-4 wk
20 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 Apr
3-4 wk
4 May
4 wk after
17 Apr
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
27 Mar
2 wk before
Potato
Solanum tuberosum
10 – 24 Apr
4-6 wk
22 May
7 wk after
12 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
31 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
23 – 30 Apr
3-4 wk
21 May
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 Apr
3-4 wk
4 May
4 wk after
17 Apr
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
2 wk after
Lettuce
Lactuca sativa
28 Feb – 7 Mar
3-4 wk
28 Mar
1 wk before
31 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Feb
4-6 wk
28 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Feb – 6 Mar
2-4 wk
20 Mar
2 wk before
27 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 Mar
1 wk before
Spinach
Spinacia oleracea
20 – 27 Feb
3-4 wk
20 Mar
2 wk before
22 Mar
3 wk before
Sweet potato
Ipomoea batatas
22 Apr – 6 May
4-6 wk
3 Jun
8 wk after
Tomato
Solanum lycopersicum
27 Mar – 10 Apr
6-8 wk
22 May
7 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
24 Apr – 8 May
2-4 wk
22 May
7 wk after
15 May
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
2 wk after
Pea
Pisum sativum
20 – 27 Feb
3-4 wk
20 Mar
2 wk before
31 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
8 – 22 Apr
4-6 wk
20 May
7 wk after
Lemon balm
Melissa officinalis
24 Jan – 7 Feb
8-10 wk
4 Apr
Vid frost
29 Apr
3 wk after
Dill
Anethum graveolens
31 Mar
1 wk before
Chives
Allium schoenoprasum
14 – 28 Jan
6-8 wk
11 Mar
4 wk before
31 Mar
1 wk before
Spearmint
Mentha spicata
26 Dec – 23 Jan
8-12 wk
20 Mar
2 wk before
29 Apr
3 wk after
Coriander
Coriandrum sativum
17 Apr
1 wk after
Sage
Salvia officinalis
23 Feb – 9 Mar
8-10 wk
4 May
4 wk after
Thyme
Thymus vulgaris
10 – 24 Feb
8-10 wk
21 Apr
2 wk after
Oregano
Origanum vulgare
13 – 27 Feb
6-8 wk
10 Apr
1 wk after
29 Apr
3 wk after
Parsley
Petroselinum crispum
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
31 Mar
1 wk before
Rosemary
Salvia rosmarinus
26 Jan – 23 Feb
10-14 wk
4 May
4 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
Greenhouse
23 – 30 Apr
3-4 wk
21 May
7 wk after
Cornflower
Centaurea cyanus
20 Mar
2 wk before
31 Mar
1 wk before
Statice
Limonium sinuatum
13 – 27 Mar
8-10 wk
22 May
7 wk after
Sweet William
Dianthus barbatus
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
12 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Mar – 10 Apr
6-8 wk
22 May
7 wk after
14 Jun
10 wk after
Dahlia
Dahlia × pinnata
22 Mar – 5 Apr
6-8 wk
17 May
6 wk after
Dahlia (tubers)
Dahlia × pinnata
22 Mar – 19 Apr
4-8 wk
17 May
6 wk after
29 Apr
3 wk after
Foxglove
Digitalis purpurea
9 – 23 Jan
8-10 wk
20 Mar
2 wk before
17 Apr
1 wk after
Busy lizzie
Impatiens walleriana
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
27 Mar – 10 Apr
6-8 wk
22 May
7 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 Apr
4-6 wk
21 May
7 wk after
Chinese lantern
Physalis alkekengi
23 Feb – 9 Mar
8-10 wk
4 May
4 wk after
Love in a mist
Nigella damascena
31 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
14 – 28 Mar
6-8 wk
9 May
5 wk after
20 May
7 wk after
Tall verbena
Verbena bonariensis
9 Feb – 9 Mar
8-12 wk
4 May
4 wk after
Cardoon
Cynara cardunculus
Season too short
1 Feb – 1 Mar
8-12 wk
26 Apr
3 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
14 Feb – 14 Mar
8-12 wk
9 May
5 wk after
Globe amaranth
Gomphrena globosa
Fleece
26 Mar – 9 Apr
6-8 wk
21 May
7 wk after
Corn poppy
Papaver rhoeas
31 Mar
1 wk before
Snapdragon
Antirrhinum majus
3 – 31 Jan
8-12 wk
28 Mar
1 wk before
12 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
12 – 26 Mar
8-10 wk
21 May
7 wk after
Sweet pea
Lathyrus odoratus
23 Jan – 13 Feb
5-8 wk
20 Mar
2 wk before
Stock
Matthiola incana
31 Jan – 14 Feb
6-8 wk
28 Mar
1 wk before
17 Apr
1 wk after
Wormwood
Artemisia absinthium
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
17 Apr
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
9 – 23 Apr
4-6 wk
21 May
7 wk after
Pansy
Viola × wittrockiana
31 Dec – 14 Jan
8-10 wk
11 Mar
4 wk before
12 Apr
1 wk after
Petunia
Petunia
Fleece
14 Feb – 14 Mar
8-12 wk
9 May
5 wk after
Scabious
Scabiosa atropurpurea
9 – 23 Mar
6-8 wk
4 May
4 wk after
15 May
5 wk after
Zinnia
Zinnia elegans
10 – 24 Apr
4-6 wk
22 May
7 wk after
Common morning glory
Ipomoea purpurea
Fleece
16 – 30 Apr
3-5 wk
21 May
7 wk after
Cosmos
Cosmos bipinnatus
10 – 24 Apr
4-6 wk
22 May
7 wk after
15 May
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Feb – 26 Mar
8-12 wk
21 May
7 wk after
Bee balm
Monarda didyma
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
29 Apr
3 wk after
Yarrow
Achillea millefolium
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
17 Apr
1 wk after
Safflower
Carthamus tinctorius
20 Mar
2 wk before
31 Mar
1 wk before
Iceland poppy
Papaver nudicaule
14 – 28 Jan
6-8 wk
11 Mar
4 wk before
27 Mar
2 wk before
Bishop's flower
Ammi majus
4 – 18 Mar
4-6 wk
15 Apr
1 wk after
17 Apr
1 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
14 – 28 Feb
10-12 wk
9 May
5 wk after
Sunflower
Helianthus annuus
Fleece
11 – 18 Apr
3-4 wk
9 May
5 wk after
14 Apr
1 wk after
China aster
Callistephus chinensis
Fleece
14 – 28 Mar
6-8 wk
9 May
5 wk after
25 Apr
3 wk after
Annual phlox
Phlox drummondii
15 – 29 Mar
6-8 wk
10 May
5 wk after
15 May
5 wk after
Hollyhock
Alcea rosea
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
17 Apr
1 wk after
Delphinium
Delphinium elatum
27 Jan – 24 Feb
8-12 wk
21 Apr
2 wk after
29 Apr
3 wk after
African marigold
Tagetes erecta
27 Mar – 10 Apr
6-8 wk
22 May
7 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Mar
6-8 wk
4 May
4 wk after
15 May
5 wk after
Woodland sage
Salvia nemorosa
30 Jan – 13 Feb
8-10 wk
10 Apr
1 wk after
29 Apr
3 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
12 Mar – 9 Apr
6-10 wk
21 May
7 wk after
California goldenpoppy
Eschscholzia californica
31 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
13 – 27 Mar
8-10 wk
22 May
7 wk after
Water forget-me-not
Myosotis scorpioides
23 Jan – 6 Feb
6-8 wk
20 Mar
2 wk before
17 Apr
1 wk after
Current date Soon Date passed