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1.0°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 11 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 223 days 11 Apr – 20 Nov
Probability that frost is over

75% = 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)
25 Mar – 8 Apr
5-7 wk
13 May
5 wk after
5 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
20 Mar – 3 Apr
4-6 wk
1 May
3 wk after
5 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
14 Mar – 11 Apr
8-12 wk
6 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
29 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
9 – 16 May
3-4 wk
6 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
2 – 9 May
4-5 wk
6 Jun
8 wk after
7 May
4 wk after
Butter bean
Phaseolus lunatus
Greenhouse
24 Apr – 1 May
3-4 wk
22 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Jan – 14 Feb
8-12 wk
11 Apr
Vid frost
24 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 Apr
2 wk after
24 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
29 Apr – 6 May
3-4 wk
27 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
3-4 wk
13 May
5 wk after
24 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
29 Mar
2 wk before
Potato
Solanum tuberosum
5 – 19 Mar
4-6 wk
16 Apr
1 wk after
16 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Jan – 5 Feb
5-7 wk
12 Mar
4 wk before
5 Apr
1 wk before
Pumpkin
Cucurbita pepo
20 – 27 May
3-4 wk
17 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
3-4 wk
13 May
5 wk after
24 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Mar – 3 Apr
4-6 wk
1 May
3 wk after
Lettuce
Lactuca sativa
5 – 12 Mar
3-4 wk
2 Apr
1 wk before
5 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Feb – 5 Mar
4-6 wk
2 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Mar
2-4 wk
29 Mar
2 wk before
29 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 Apr
1 wk before
5 Apr
1 wk before
Spinach
Spinacia oleracea
22 Feb – 1 Mar
3-4 wk
22 Mar
3 wk before
22 Mar
3 wk before
Sweet potato
Ipomoea batatas
13 – 27 May
4-6 wk
24 Jun
11 wk after
Tomato
Solanum lycopersicum
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
9 – 23 May
2-4 wk
6 Jun
8 wk after
22 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Mar – 3 Apr
4-6 wk
1 May
3 wk after
Pea
Pisum sativum
22 Feb – 1 Mar
3-4 wk
22 Mar
3 wk before
5 Apr
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
15 – 29 Apr
4-6 wk
27 May
7 wk after
Lemon balm
Melissa officinalis
31 Jan – 14 Feb
8-10 wk
11 Apr
Vid frost
7 May
4 wk after
Dill
Anethum graveolens
5 Apr
1 wk before
Chives
Allium schoenoprasum
15 – 29 Jan
6-8 wk
12 Mar
4 wk before
5 Apr
1 wk before
Spearmint
Mentha spicata
28 Dec – 25 Jan
8-12 wk
22 Mar
3 wk before
7 May
4 wk after
Coriander
Coriandrum sativum
24 Apr
2 wk after
Sage
Salvia officinalis
4 – 18 Mar
8-10 wk
13 May
5 wk after
Thyme
Thymus vulgaris
20 Feb – 6 Mar
8-10 wk
1 May
3 wk after
Oregano
Origanum vulgare
23 Feb – 9 Mar
6-8 wk
20 Apr
1 wk after
7 May
4 wk after
Parsley
Petroselinum crispum
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
5 Apr
1 wk before
Rosemary
Salvia rosmarinus
4 Feb – 4 Mar
10-14 wk
13 May
5 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
9 – 16 May
3-4 wk
6 Jun
8 wk after
Cornflower
Centaurea cyanus
22 Mar
3 wk before
5 Apr
1 wk before
Statice
Limonium sinuatum
28 Mar – 11 Apr
8-10 wk
6 Jun
8 wk after
Sweet William
Dianthus barbatus
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
16 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
24 Jun
11 wk after
Dahlia
Dahlia × pinnata
4 – 18 Apr
6-8 wk
30 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
12 Mar – 9 Apr
4-8 wk
7 May
4 wk after
7 May
4 wk after
Foxglove
Digitalis purpurea
11 – 25 Jan
8-10 wk
22 Mar
3 wk before
24 Apr
2 wk after
Busy lizzie
Impatiens walleriana
25 Mar – 22 Apr
8-12 wk
17 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Mar
8-10 wk
13 May
5 wk after
Love in a mist
Nigella damascena
5 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
24 Jun
11 wk after
Tall verbena
Verbena bonariensis
18 Feb – 18 Mar
8-12 wk
13 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
12 Feb – 12 Mar
8-12 wk
7 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
14 Mar – 11 Apr
8-12 wk
6 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Corn poppy
Papaver rhoeas
5 Apr
1 wk before
Snapdragon
Antirrhinum majus
8 Jan – 5 Feb
8-12 wk
2 Apr
1 wk before
16 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
28 Mar – 11 Apr
8-10 wk
6 Jun
8 wk after
Sweet pea
Lathyrus odoratus
25 Jan – 15 Feb
5-8 wk
22 Mar
3 wk before
Stock
Matthiola incana
5 – 19 Feb
6-8 wk
2 Apr
1 wk before
24 Apr
2 wk after
Wormwood
Artemisia absinthium
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
24 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
Pansy
Viola × wittrockiana
1 – 15 Jan
8-10 wk
12 Mar
4 wk before
16 Apr
1 wk after
Petunia
Petunia
14 Mar – 11 Apr
8-12 wk
6 Jun
8 wk after
Scabious
Scabiosa atropurpurea
18 Mar – 1 Apr
6-8 wk
13 May
5 wk after
22 May
6 wk after
Zinnia
Zinnia elegans
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
2 – 16 May
3-5 wk
6 Jun
8 wk after
Cosmos
Cosmos bipinnatus
25 Apr – 9 May
4-6 wk
6 Jun
8 wk after
22 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
14 Mar – 11 Apr
8-12 wk
6 Jun
8 wk after
Bee balm
Monarda didyma
17 Jan – 14 Feb
8-12 wk
11 Apr
Vid frost
7 May
4 wk after
Yarrow
Achillea millefolium
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
24 Apr
2 wk after
Safflower
Carthamus tinctorius
22 Mar
3 wk before
5 Apr
1 wk before
Iceland poppy
Papaver nudicaule
15 – 29 Jan
6-8 wk
12 Mar
4 wk before
29 Mar
2 wk before
Bishop's flower
Ammi majus
15 – 29 Mar
4-6 wk
26 Apr
2 wk after
24 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
27 Feb – 13 Mar
10-12 wk
22 May
6 wk after
Sunflower
Helianthus annuus
9 – 16 May
3-4 wk
6 Jun
8 wk after
7 May
4 wk after
China aster
Callistephus chinensis
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
22 May
6 wk after
Annual phlox
Phlox drummondii
27 Mar – 10 Apr
6-8 wk
22 May
6 wk after
22 May
6 wk after
Hollyhock
Alcea rosea
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
24 Apr
2 wk after
Delphinium
Delphinium elatum
6 Feb – 6 Mar
8-12 wk
1 May
3 wk after
7 May
4 wk after
African marigold
Tagetes erecta
11 – 25 Apr
6-8 wk
6 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
6-8 wk
13 May
5 wk after
22 May
6 wk after
Woodland sage
Salvia nemorosa
9 – 23 Feb
8-10 wk
20 Apr
1 wk after
7 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
28 Mar – 25 Apr
6-10 wk
6 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
5 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
28 Mar – 11 Apr
8-10 wk
6 Jun
8 wk after
Water forget-me-not
Myosotis scorpioides
25 Jan – 8 Feb
6-8 wk
22 Mar
3 wk before
24 Apr
2 wk after
Current date Soon Date passed