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-1.1°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 29 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 204 days 29 Apr – 19 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
31 Mar – 14 Apr
5-7 wk
19 May
3 wk after
9 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
25 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
17 Mar – 14 Apr
8-12 wk
9 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
21 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
27 May – 3 Jun
3-4 wk
24 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
5 – 12 May
4-5 wk
9 Jun
6 wk after
12 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
12 – 19 May
3-4 wk
9 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
12 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
2 wk after
Sweetcorn
Zea mays
Fleece
17 – 24 May
3-4 wk
14 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
3-4 wk
29 May
5 wk after
12 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
21 Apr
2 wk before
Potato
Solanum tuberosum
5 – 19 May
4-6 wk
16 Jun
8 wk after
7 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
4 wk before
25 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
27 May – 3 Jun
3-4 wk
24 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
3-4 wk
29 May
5 wk after
12 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
Lettuce
Lactuca sativa
25 Mar – 1 Apr
3-4 wk
22 Apr
1 wk before
25 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 – 31 Mar
2-4 wk
14 Apr
3 wk before
21 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 Apr
1 wk before
Spinach
Spinacia oleracea
17 – 24 Mar
3-4 wk
14 Apr
3 wk before
16 Apr
3 wk before
Sweet potato
Ipomoea batatas
17 – 31 May
4-6 wk
28 Jun
11 wk after
Tomato
Solanum lycopersicum
21 Apr – 5 May
6-8 wk
16 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
19 May – 2 Jun
2-4 wk
16 Jun
8 wk after
9 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
Pea
Pisum sativum
17 – 24 Mar
3-4 wk
14 Apr
3 wk before
25 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
3 – 17 May
4-6 wk
14 Jun
7 wk after
Lemon balm
Melissa officinalis
18 Feb – 4 Mar
8-10 wk
29 Apr
Vid frost
24 May
4 wk after
Dill
Anethum graveolens
25 Apr
1 wk before
Chives
Allium schoenoprasum
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
25 Apr
1 wk before
Spearmint
Mentha spicata
20 Jan – 17 Feb
8-12 wk
14 Apr
3 wk before
24 May
4 wk after
Coriander
Coriandrum sativum
12 May
2 wk after
Sage
Salvia officinalis
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Thyme
Thymus vulgaris
7 – 21 Mar
8-10 wk
16 May
3 wk after
Oregano
Origanum vulgare
10 – 24 Mar
6-8 wk
5 May
1 wk after
24 May
4 wk after
Parsley
Petroselinum crispum
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
25 Apr
1 wk before
Rosemary
Salvia rosmarinus
20 Feb – 20 Mar
10-14 wk
29 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
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
8 wk after
Cornflower
Centaurea cyanus
14 Apr
3 wk before
25 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
31 Mar – 14 Apr
8-10 wk
9 Jun
6 wk after
Sweet William
Dianthus barbatus
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
7 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
14 – 28 Apr
6-8 wk
9 Jun
6 wk after
14 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
5 – 19 Apr
6-8 wk
31 May
5 wk after
Dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
4-8 wk
11 Jun
7 wk after
24 May
4 wk after
Foxglove
Digitalis purpurea
3 – 17 Feb
8-10 wk
14 Apr
3 wk before
12 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
1 – 29 Apr
8-12 wk
24 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
6-8 wk
16 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 May
4-6 wk
24 Jun
8 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Love in a mist
Nigella damascena
25 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
14 – 28 Apr
6-8 wk
9 Jun
6 wk after
14 Jun
7 wk after
Tall verbena
Verbena bonariensis
6 Mar – 3 Apr
8-12 wk
29 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
2 – 30 Mar
8-12 wk
25 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
17 Mar – 14 Apr
8-12 wk
9 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
14 – 28 Apr
6-8 wk
9 Jun
6 wk after
Corn poppy
Papaver rhoeas
25 Apr
1 wk before
Snapdragon
Antirrhinum majus
28 Jan – 25 Feb
8-12 wk
22 Apr
1 wk before
7 May
1 wk after
Flossflower
Ageratum houstonianum
Fleece
15 – 29 Apr
8-10 wk
24 Jun
8 wk after
Sweet pea
Lathyrus odoratus
17 Feb – 10 Mar
5-8 wk
14 Apr
3 wk before
Stock
Matthiola incana
25 Feb – 11 Mar
6-8 wk
22 Apr
1 wk before
12 May
2 wk after
Wormwood
Artemisia absinthium
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
12 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
28 Apr – 12 May
4-6 wk
9 Jun
6 wk after
Pansy
Viola × wittrockiana
25 Jan – 8 Feb
8-10 wk
5 Apr
4 wk before
7 May
1 wk after
Petunia
Petunia
Fleece
17 Mar – 14 Apr
8-12 wk
9 Jun
6 wk after
Scabious
Scabiosa atropurpurea
3 – 17 Apr
6-8 wk
29 May
5 wk after
9 Jun
6 wk after
Zinnia
Zinnia elegans
5 – 19 May
4-6 wk
16 Jun
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
20 May – 3 Jun
3-5 wk
24 Jun
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
28 Apr – 12 May
4-6 wk
9 Jun
6 wk after
25 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
1 – 29 Apr
8-12 wk
24 Jun
8 wk after
Bee balm
Monarda didyma
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
24 May
4 wk after
Yarrow
Achillea millefolium
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
12 May
2 wk after
Safflower
Carthamus tinctorius
14 Apr
3 wk before
25 Apr
1 wk before
Iceland poppy
Papaver nudicaule
8 – 22 Feb
6-8 wk
5 Apr
4 wk before
21 Apr
2 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
4-6 wk
10 May
2 wk after
12 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
17 – 31 Mar
10-12 wk
9 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
12 – 19 May
3-4 wk
9 Jun
6 wk after
12 May
2 wk after
China aster
Callistephus chinensis
Fleece
14 – 28 Apr
6-8 wk
9 Jun
6 wk after
25 May
4 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
6-8 wk
4 Jun
6 wk after
9 Jun
6 wk after
Hollyhock
Alcea rosea
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
12 May
2 wk after
Delphinium
Delphinium elatum
21 Feb – 21 Mar
8-12 wk
16 May
3 wk after
24 May
4 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
6-8 wk
16 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
6-8 wk
29 May
5 wk after
9 Jun
6 wk after
Woodland sage
Salvia nemorosa
24 Feb – 10 Mar
8-10 wk
5 May
1 wk after
24 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
15 Apr – 13 May
6-10 wk
24 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
25 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
31 Mar – 14 Apr
8-10 wk
9 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
17 Feb – 3 Mar
6-8 wk
14 Apr
3 wk before
12 May
2 wk after
Current date Soon Date passed