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-0.6°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 05:00 – 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 23 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 159 days 23 Apr – 29 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
11 – 25 Mar
5-7 wk
29 Apr
1 wk after
25 Mar
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
4-6 wk
10 May
2 wk after
19 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
5 Mar – 2 Apr
8-12 wk
28 May
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Feb
5-7 wk
30 Mar
4 wk before
15 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
30 Apr – 7 May
3-4 wk
28 May
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
23 – 30 Apr
4-5 wk
28 May
5 wk after
3 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
1 – 8 May
3-4 wk
29 May
5 wk after
Onion
Allium cepa (Cepa-gruppen)
29 Jan – 26 Feb
8-12 wk
23 Apr
Vid frost
6 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
6 May
1 wk after
Sweetcorn
Zea mays
Fleece
11 – 18 May
3-4 wk
8 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
25 Apr – 2 May
3-4 wk
23 May
4 wk after
6 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Feb
5-7 wk
30 Mar
4 wk before
15 Apr
2 wk before
Potato
Solanum tuberosum
29 Apr – 13 May
4-6 wk
10 Jun
7 wk after
1 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Feb
5-7 wk
30 Mar
4 wk before
19 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
30 Apr – 7 May
3-4 wk
28 May
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Apr – 2 May
3-4 wk
23 May
4 wk after
6 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
4-6 wk
10 May
2 wk after
Lettuce
Lactuca sativa
19 – 26 Mar
3-4 wk
16 Apr
1 wk before
19 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Mar
4-6 wk
16 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 Mar
2-4 wk
8 Apr
2 wk before
15 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
19 Apr
1 wk before
Spinach
Spinacia oleracea
11 – 18 Mar
3-4 wk
8 Apr
2 wk before
10 Apr
3 wk before
Sweet potato
Ipomoea batatas
11 – 25 May
4-6 wk
22 Jun
8 wk after
Tomato
Solanum lycopersicum
Fleece
2 – 16 Apr
6-8 wk
28 May
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
30 Apr – 14 May
2-4 wk
28 May
5 wk after
14 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
4-6 wk
10 May
2 wk after
Pea
Pisum sativum
11 – 18 Mar
3-4 wk
8 Apr
2 wk before
19 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
27 Apr – 11 May
4-6 wk
8 Jun
7 wk after
Lemon balm
Melissa officinalis
12 – 26 Feb
8-10 wk
23 Apr
Vid frost
18 May
3 wk after
Dill
Anethum graveolens
19 Apr
1 wk before
Chives
Allium schoenoprasum
2 – 16 Feb
6-8 wk
30 Mar
4 wk before
19 Apr
1 wk before
Spearmint
Mentha spicata
14 Jan – 11 Feb
8-12 wk
8 Apr
2 wk before
18 May
3 wk after
Coriander
Coriandrum sativum
6 May
1 wk after
Sage
Salvia officinalis
14 – 28 Mar
8-10 wk
23 May
4 wk after
Thyme
Thymus vulgaris
1 – 15 Mar
8-10 wk
10 May
2 wk after
Oregano
Origanum vulgare
4 – 18 Mar
6-8 wk
29 Apr
1 wk after
18 May
3 wk after
Parsley
Petroselinum crispum
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
19 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
29 Jan – 26 Feb
10-14 wk
7 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
12 – 19 May
3-4 wk
9 Jun
7 wk after
Cornflower
Centaurea cyanus
8 Apr
2 wk before
19 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
19 Mar – 2 Apr
8-10 wk
28 May
5 wk after
Sweet William
Dianthus barbatus
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
1 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
2 – 16 Apr
6-8 wk
28 May
5 wk after
8 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
27 Mar – 10 Apr
6-8 wk
22 May
4 wk after
Dahlia (tubers)
Dahlia × pinnata
10 Apr – 8 May
4-8 wk
5 Jun
6 wk after
18 May
3 wk after
Foxglove
Digitalis purpurea
28 Jan – 11 Feb
8-10 wk
8 Apr
2 wk before
6 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
17 Mar – 14 Apr
8-12 wk
9 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
2 – 16 Apr
6-8 wk
28 May
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
26 Feb – 12 Mar
8-10 wk
7 May
2 wk after
Love in a mist
Nigella damascena
19 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
20 Mar – 3 Apr
6-8 wk
15 May
3 wk after
21 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
12 Feb – 12 Mar
8-12 wk
7 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
20 Feb – 20 Mar
8-12 wk
15 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
5 Mar – 2 Apr
8-12 wk
28 May
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
2 – 16 Apr
6-8 wk
28 May
5 wk after
Corn poppy
Papaver rhoeas
19 Apr
1 wk before
Snapdragon
Antirrhinum majus
22 Jan – 19 Feb
8-12 wk
16 Apr
1 wk before
1 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
19 Mar – 2 Apr
8-10 wk
28 May
5 wk after
Sweet pea
Lathyrus odoratus
11 Feb – 4 Mar
5-8 wk
8 Apr
2 wk before
Stock
Matthiola incana
19 Feb – 5 Mar
6-8 wk
16 Apr
1 wk before
6 May
1 wk after
Wormwood
Artemisia absinthium
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
6 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
16 – 30 Apr
4-6 wk
28 May
5 wk after
Pansy
Viola × wittrockiana
19 Jan – 2 Feb
8-10 wk
30 Mar
4 wk before
1 May
1 wk after
Petunia
Petunia
Greenhouse
20 Feb – 20 Mar
8-12 wk
15 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
12 – 26 Mar
6-8 wk
7 May
2 wk after
14 May
3 wk after
Zinnia
Zinnia elegans
Fleece
16 – 30 Apr
4-6 wk
28 May
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
23 Apr – 7 May
3-5 wk
28 May
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
16 – 30 Apr
4-6 wk
28 May
5 wk after
14 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
7 wk after
Bee balm
Monarda didyma
29 Jan – 26 Feb
8-12 wk
23 Apr
Vid frost
18 May
3 wk after
Yarrow
Achillea millefolium
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
6 May
1 wk after
Safflower
Carthamus tinctorius
8 Apr
2 wk before
19 Apr
1 wk before
Iceland poppy
Papaver nudicaule
2 – 16 Feb
6-8 wk
30 Mar
4 wk before
15 Apr
2 wk before
Bishop's flower
Ammi majus
23 Mar – 6 Apr
4-6 wk
4 May
1 wk after
6 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
5 – 19 Mar
10-12 wk
28 May
5 wk after
Sunflower
Helianthus annuus
Greenhouse
17 – 24 Apr
3-4 wk
15 May
3 wk after
22 Apr
China aster
Callistephus chinensis
Greenhouse
20 Mar – 3 Apr
6-8 wk
15 May
3 wk after
3 May
1 wk after
Annual phlox
Phlox drummondii
3 – 17 Apr
6-8 wk
29 May
5 wk after
3 Jun
5 wk after
Hollyhock
Alcea rosea
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
6 May
1 wk after
Delphinium
Delphinium elatum
15 Feb – 15 Mar
8-12 wk
10 May
2 wk after
18 May
3 wk after
African marigold
Tagetes erecta
Fleece
2 – 16 Apr
6-8 wk
28 May
5 wk after
Black-eyed Susan
Rudbeckia hirta
28 Mar – 11 Apr
6-8 wk
23 May
4 wk after
3 Jun
5 wk after
Woodland sage
Salvia nemorosa
18 Feb – 4 Mar
8-10 wk
29 Apr
1 wk after
18 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
19 Mar – 16 Apr
6-10 wk
28 May
5 wk after
California goldenpoppy
Eschscholzia californica
19 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
19 Mar – 2 Apr
8-10 wk
28 May
5 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Feb
6-8 wk
8 Apr
2 wk before
6 May
1 wk after
Current date Soon Date passed