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-1.0°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 04:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 5 May Frost 1 of 4 years · 20 years of data
Frost-free season 187 days 5 May – 8 Nov
Probability that frost is over

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