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-1.5°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 03:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 22 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 155 days 22 Apr – 24 Sep
Probability that frost is over

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