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-0.7°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 01:00 – 06:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 8 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 194 days 8 Apr – 19 Oct
Probability that frost is over

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