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-1.4°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 01:00 – 06:00. Bring in or cover sensitive plants
-0.1°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 17 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 165 days 17 Apr – 29 Sep
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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