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-0.5°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 4 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 212 days 4 Apr – 2 Nov
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)
16 – 30 Mar
5-7 wk
4 May
5 wk after
31 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
3 wk after
31 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
27 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
2 – 9 May
3-4 wk
30 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
25 Apr – 2 May
4-5 wk
30 May
8 wk after
30 Apr
4 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Apr
3-4 wk
15 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
17 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
22 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
9 – 16 Apr
3-4 wk
7 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 Apr
3-4 wk
4 May
5 wk after
17 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
27 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
1 – 15 Feb
4-6 wk
15 Mar
3 wk before
15 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Jan – 4 Feb
5-7 wk
11 Mar
4 wk before
31 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
2 – 9 May
3-4 wk
30 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 Apr
3-4 wk
4 May
5 wk after
17 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
3 wk after
Lettuce
Lactuca sativa
28 Feb – 7 Mar
3-4 wk
28 Mar
1 wk before
31 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Feb
4-6 wk
28 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
20 Jan – 3 Feb
2-4 wk
17 Feb
7 wk before
17 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
1 Mar
5 wk before
Spinach
Spinacia oleracea
20 – 27 Feb
3-4 wk
20 Mar
3 wk before
22 Mar
3 wk before
Sweet potato
Ipomoea batatas
22 Apr – 6 May
4-6 wk
3 Jun
11 wk after
Tomato
Solanum lycopersicum
27 Mar – 10 Apr
6-8 wk
22 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
24 Apr – 8 May
2-4 wk
22 May
8 wk after
15 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Mar
4-6 wk
21 Apr
3 wk after
Pea
Pisum sativum
20 – 27 Feb
3-4 wk
20 Mar
3 wk before
31 Mar
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
Season too short
26 Mar – 9 Apr
4-6 wk
7 May
5 wk after
Lemon balm
Melissa officinalis
24 Jan – 7 Feb
8-10 wk
4 Apr
Vid frost
29 Apr
4 wk after
Dill
Anethum graveolens
31 Mar
1 wk before
Chives
Allium schoenoprasum
14 – 28 Jan
6-8 wk
11 Mar
4 wk before
31 Mar
1 wk before
Spearmint
Mentha spicata
26 Dec – 23 Jan
8-12 wk
20 Mar
3 wk before
29 Apr
4 wk after
Coriander
Coriandrum sativum
17 Apr
2 wk after
Sage
Salvia officinalis
23 Feb – 9 Mar
8-10 wk
4 May
5 wk after
Thyme
Thymus vulgaris
10 – 24 Feb
8-10 wk
21 Apr
3 wk after
Oregano
Origanum vulgare
13 – 27 Feb
6-8 wk
10 Apr
1 wk after
29 Apr
4 wk after
Parsley
Petroselinum crispum
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
31 Mar
1 wk before
Rosemary
Salvia rosmarinus
26 Jan – 23 Feb
10-14 wk
4 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
2 – 9 May
3-4 wk
30 May
8 wk after
Cornflower
Centaurea cyanus
20 Mar
3 wk before
31 Mar
1 wk before
Statice
Limonium sinuatum
13 – 27 Mar
8-10 wk
22 May
8 wk after
Sweet William
Dianthus barbatus
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
12 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Mar – 10 Apr
6-8 wk
22 May
8 wk after
14 Jun
11 wk after
Dahlia
Dahlia × pinnata
22 Mar – 5 Apr
6-8 wk
17 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
6 Feb – 6 Mar
4-8 wk
3 Apr
3 Apr
Foxglove
Digitalis purpurea
9 – 23 Jan
8-10 wk
20 Mar
3 wk before
17 Apr
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
27 Mar – 10 Apr
6-8 wk
22 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 Apr – 2 May
4-6 wk
30 May
8 wk after
Chinese lantern
Physalis alkekengi
23 Feb – 9 Mar
8-10 wk
4 May
5 wk after
Love in a mist
Nigella damascena
31 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
20 May
7 wk after
Tall verbena
Verbena bonariensis
9 Feb – 9 Mar
8-12 wk
4 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
5 Feb – 5 Mar
8-12 wk
30 Apr
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
20 Feb – 20 Mar
8-12 wk
15 May
6 wk after
Globe amaranth
Gomphrena globosa
Fleece
4 – 18 Apr
6-8 wk
30 May
8 wk after
Corn poppy
Papaver rhoeas
31 Mar
1 wk before
Snapdragon
Antirrhinum majus
3 – 31 Jan
8-12 wk
28 Mar
1 wk before
12 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
21 Mar – 4 Apr
8-10 wk
30 May
8 wk after
Sweet pea
Lathyrus odoratus
23 Jan – 13 Feb
5-8 wk
20 Mar
3 wk before
Stock
Matthiola incana
31 Jan – 14 Feb
6-8 wk
28 Mar
1 wk before
17 Apr
2 wk after
Wormwood
Artemisia absinthium
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
17 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 Apr
4-6 wk
15 May
6 wk after
Pansy
Viola × wittrockiana
31 Dec – 14 Jan
8-10 wk
11 Mar
4 wk before
12 Apr
1 wk after
Petunia
Petunia
Fleece
20 Feb – 20 Mar
8-12 wk
15 May
6 wk after
Scabious
Scabiosa atropurpurea
9 – 23 Mar
6-8 wk
4 May
5 wk after
15 May
6 wk after
Zinnia
Zinnia elegans
10 – 24 Apr
4-6 wk
22 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
25 Apr – 9 May
3-5 wk
30 May
8 wk after
Cosmos
Cosmos bipinnatus
10 – 24 Apr
4-6 wk
22 May
8 wk after
15 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Bee balm
Monarda didyma
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
29 Apr
4 wk after
Yarrow
Achillea millefolium
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
17 Apr
2 wk after
Safflower
Carthamus tinctorius
20 Mar
3 wk before
31 Mar
1 wk before
Iceland poppy
Papaver nudicaule
14 – 28 Jan
6-8 wk
11 Mar
4 wk before
27 Mar
2 wk before
Bishop's flower
Ammi majus
4 – 18 Mar
4-6 wk
15 Apr
2 wk after
17 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Feb – 6 Mar
10-12 wk
15 May
6 wk after
Sunflower
Helianthus annuus
Fleece
17 – 24 Apr
3-4 wk
15 May
6 wk after
17 Apr
2 wk after
China aster
Callistephus chinensis
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
30 Apr
4 wk after
Annual phlox
Phlox drummondii
15 – 29 Mar
6-8 wk
10 May
6 wk after
15 May
6 wk after
Hollyhock
Alcea rosea
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
17 Apr
2 wk after
Delphinium
Delphinium elatum
27 Jan – 24 Feb
8-12 wk
21 Apr
3 wk after
29 Apr
4 wk after
African marigold
Tagetes erecta
27 Mar – 10 Apr
6-8 wk
22 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Mar
6-8 wk
4 May
5 wk after
15 May
6 wk after
Woodland sage
Salvia nemorosa
30 Jan – 13 Feb
8-10 wk
10 Apr
1 wk after
29 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
21 Mar – 18 Apr
6-10 wk
30 May
8 wk after
California goldenpoppy
Eschscholzia californica
31 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
13 – 27 Mar
8-10 wk
22 May
8 wk after
Water forget-me-not
Myosotis scorpioides
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
17 Apr
2 wk after
Current date Soon Date passed