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-2.1°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 01:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 24 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 168 days 24 Apr – 9 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)
Greenhouse
12 – 26 Mar
5-7 wk
30 Apr
1 wk after
26 Mar
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
30 Mar – 13 Apr
4-6 wk
11 May
2 wk after
20 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
6 Mar – 3 Apr
8-12 wk
29 May
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Feb
5-7 wk
31 Mar
4 wk before
16 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
1 – 8 May
3-4 wk
29 May
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
24 Apr – 1 May
4-5 wk
29 May
5 wk after
4 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
2 – 9 May
3-4 wk
30 May
5 wk after
Onion
Allium cepa (Cepa-gruppen)
30 Jan – 27 Feb
8-12 wk
24 Apr
Vid frost
7 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 May
1 wk after
Sweetcorn
Zea mays
Fleece
12 – 19 May
3-4 wk
9 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
3-4 wk
24 May
4 wk after
7 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Feb
5-7 wk
31 Mar
4 wk before
16 Apr
2 wk before
Potato
Solanum tuberosum
30 Apr – 14 May
4-6 wk
11 Jun
7 wk after
2 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Feb
5-7 wk
31 Mar
4 wk before
20 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
1 – 8 May
3-4 wk
29 May
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
3-4 wk
24 May
4 wk after
7 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Mar – 13 Apr
4-6 wk
11 May
2 wk after
Lettuce
Lactuca sativa
20 – 27 Mar
3-4 wk
17 Apr
1 wk before
20 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Mar
4-6 wk
17 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Mar
2-4 wk
9 Apr
2 wk before
16 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 Apr
1 wk before
Spinach
Spinacia oleracea
12 – 19 Mar
3-4 wk
9 Apr
2 wk before
11 Apr
3 wk before
Sweet potato
Ipomoea batatas
12 – 26 May
4-6 wk
23 Jun
8 wk after
Tomato
Solanum lycopersicum
Fleece
3 – 17 Apr
6-8 wk
29 May
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
1 – 15 May
2-4 wk
29 May
5 wk after
15 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Mar – 13 Apr
4-6 wk
11 May
2 wk after
Pea
Pisum sativum
12 – 19 Mar
3-4 wk
9 Apr
2 wk before
20 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
28 Apr – 12 May
4-6 wk
9 Jun
7 wk after
Lemon balm
Melissa officinalis
13 – 27 Feb
8-10 wk
24 Apr
Vid frost
19 May
3 wk after
Dill
Anethum graveolens
20 Apr
1 wk before
Chives
Allium schoenoprasum
3 – 17 Feb
6-8 wk
31 Mar
4 wk before
20 Apr
1 wk before
Spearmint
Mentha spicata
15 Jan – 12 Feb
8-12 wk
9 Apr
2 wk before
19 May
3 wk after
Coriander
Coriandrum sativum
7 May
1 wk after
Sage
Salvia officinalis
15 – 29 Mar
8-10 wk
24 May
4 wk after
Thyme
Thymus vulgaris
2 – 16 Mar
8-10 wk
11 May
2 wk after
Oregano
Origanum vulgare
5 – 19 Mar
6-8 wk
30 Apr
1 wk after
19 May
3 wk after
Parsley
Petroselinum crispum
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
20 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
30 Jan – 27 Feb
10-14 wk
8 May
2 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
13 – 20 May
3-4 wk
10 Jun
7 wk after
Cornflower
Centaurea cyanus
9 Apr
2 wk before
20 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Sweet William
Dianthus barbatus
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
2 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
3 – 17 Apr
6-8 wk
29 May
5 wk after
9 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
28 Mar – 11 Apr
6-8 wk
23 May
4 wk after
Dahlia (tubers)
Dahlia × pinnata
11 Apr – 9 May
4-8 wk
6 Jun
6 wk after
19 May
3 wk after
Foxglove
Digitalis purpurea
29 Jan – 12 Feb
8-10 wk
9 Apr
2 wk before
7 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
18 Mar – 15 Apr
8-12 wk
10 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
3 – 17 Apr
6-8 wk
29 May
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
29 Apr – 13 May
4-6 wk
10 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
27 Feb – 13 Mar
8-10 wk
8 May
2 wk after
Love in a mist
Nigella damascena
20 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
21 Mar – 4 Apr
6-8 wk
16 May
3 wk after
22 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
13 Feb – 13 Mar
8-12 wk
8 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
21 Feb – 21 Mar
8-12 wk
16 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
3 – 17 Apr
6-8 wk
29 May
5 wk after
Corn poppy
Papaver rhoeas
20 Apr
1 wk before
Snapdragon
Antirrhinum majus
23 Jan – 20 Feb
8-12 wk
17 Apr
1 wk before
2 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Sweet pea
Lathyrus odoratus
12 Feb – 5 Mar
5-8 wk
9 Apr
2 wk before
Stock
Matthiola incana
20 Feb – 6 Mar
6-8 wk
17 Apr
1 wk before
7 May
1 wk after
Wormwood
Artemisia absinthium
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
7 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
17 Apr – 1 May
4-6 wk
29 May
5 wk after
Pansy
Viola × wittrockiana
20 Jan – 3 Feb
8-10 wk
31 Mar
4 wk before
2 May
1 wk after
Petunia
Petunia
Greenhouse
21 Feb – 21 Mar
8-12 wk
16 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
13 – 27 Mar
6-8 wk
8 May
2 wk after
15 May
3 wk after
Zinnia
Zinnia elegans
Fleece
17 Apr – 1 May
4-6 wk
29 May
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
24 Apr – 8 May
3-5 wk
29 May
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
17 Apr – 1 May
4-6 wk
29 May
5 wk after
15 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
7 wk after
Bee balm
Monarda didyma
30 Jan – 27 Feb
8-12 wk
24 Apr
Vid frost
19 May
3 wk after
Yarrow
Achillea millefolium
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
7 May
1 wk after
Safflower
Carthamus tinctorius
9 Apr
2 wk before
20 Apr
1 wk before
Iceland poppy
Papaver nudicaule
3 – 17 Feb
6-8 wk
31 Mar
4 wk before
16 Apr
2 wk before
Bishop's flower
Ammi majus
24 Mar – 7 Apr
4-6 wk
5 May
1 wk after
7 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
6 – 20 Mar
10-12 wk
29 May
5 wk after
Sunflower
Helianthus annuus
Greenhouse
18 – 25 Apr
3-4 wk
16 May
3 wk after
23 Apr
China aster
Callistephus chinensis
Greenhouse
21 Mar – 4 Apr
6-8 wk
16 May
3 wk after
4 May
1 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
6-8 wk
30 May
5 wk after
4 Jun
5 wk after
Hollyhock
Alcea rosea
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
7 May
1 wk after
Delphinium
Delphinium elatum
16 Feb – 16 Mar
8-12 wk
11 May
2 wk after
19 May
3 wk after
African marigold
Tagetes erecta
Fleece
3 – 17 Apr
6-8 wk
29 May
5 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
6-8 wk
24 May
4 wk after
4 Jun
5 wk after
Woodland sage
Salvia nemorosa
19 Feb – 5 Mar
8-10 wk
30 Apr
1 wk after
19 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
20 Mar – 17 Apr
6-10 wk
29 May
5 wk after
California goldenpoppy
Eschscholzia californica
20 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Feb
6-8 wk
9 Apr
2 wk before
7 May
1 wk after
Current date Soon Date passed