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1.0°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 15 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 227 days 15 Mar – 28 Oct
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)
24 Feb – 10 Mar
5-7 wk
14 Apr
5 wk after
11 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
18 Feb – 4 Mar
4-6 wk
1 Apr
3 wk after
11 Mar
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
31 Jan – 28 Feb
8-12 wk
25 Apr
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
7 Mar
2 wk before
Cucumber
Cucumis sativus
Greenhouse
28 Mar – 4 Apr
3-4 wk
25 Apr
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
21 – 28 Mar
4-5 wk
25 Apr
6 wk after
28 Mar
2 wk after
Butter bean
Phaseolus lunatus
Season too short
28 Mar – 4 Apr
3-4 wk
25 Apr
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Dec – 18 Jan
8-12 wk
15 Mar
Vid frost
28 Mar
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
2 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
20 – 27 Mar
3-4 wk
17 Apr
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 Mar
3-4 wk
14 Apr
5 wk after
28 Mar
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
7 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
12 – 26 Jan
4-6 wk
23 Feb
3 wk before
23 Feb
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 Jan
5-7 wk
19 Feb
4 wk before
11 Mar
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
28 Mar – 4 Apr
3-4 wk
25 Apr
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 Mar
3-4 wk
14 Apr
5 wk after
28 Mar
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Feb – 4 Mar
4-6 wk
1 Apr
3 wk after
Lettuce
Lactuca sativa
8 – 15 Feb
3-4 wk
8 Mar
1 wk before
11 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Jan – 8 Feb
4-6 wk
8 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
31 Dec – 14 Jan
2-4 wk
28 Jan
7 wk before
28 Jan
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
9 Feb
5 wk before
Spinach
Spinacia oleracea
31 Jan – 7 Feb
3-4 wk
28 Feb
3 wk before
2 Mar
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Apr
4-6 wk
14 May
11 wk after
Tomato
Solanum lycopersicum
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
28 Mar – 11 Apr
2-4 wk
25 Apr
6 wk after
10 Apr
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Feb – 4 Mar
4-6 wk
1 Apr
3 wk after
Pea
Pisum sativum
31 Jan – 7 Feb
3-4 wk
28 Feb
3 wk before
11 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
6 – 20 Mar
4-6 wk
17 Apr
5 wk after
Lemon balm
Melissa officinalis
4 – 18 Jan
8-10 wk
15 Mar
Vid frost
9 Apr
4 wk after
Dill
Anethum graveolens
11 Mar
1 wk before
Chives
Allium schoenoprasum
25 Dec – 8 Jan
6-8 wk
19 Feb
4 wk before
11 Mar
1 wk before
Spearmint
Mentha spicata
6 Dec – 3 Jan
8-12 wk
28 Feb
3 wk before
9 Apr
4 wk after
Coriander
Coriandrum sativum
28 Mar
2 wk after
Sage
Salvia officinalis
3 – 17 Feb
8-10 wk
14 Apr
5 wk after
Thyme
Thymus vulgaris
21 Jan – 4 Feb
8-10 wk
1 Apr
3 wk after
Oregano
Origanum vulgare
24 Jan – 7 Feb
6-8 wk
21 Mar
1 wk after
9 Apr
4 wk after
Parsley
Petroselinum crispum
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
11 Mar
1 wk before
Rosemary
Salvia rosmarinus
6 Jan – 3 Feb
10-14 wk
14 Apr
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
Season too short
12 – 19 Apr
3-4 wk
10 May
8 wk after
Cornflower
Centaurea cyanus
28 Feb
3 wk before
11 Mar
1 wk before
Statice
Limonium sinuatum
Fleece
14 – 28 Feb
8-10 wk
25 Apr
6 wk after
Sweet William
Dianthus barbatus
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
23 Mar
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
30 Apr
7 wk after
Dahlia
Dahlia × pinnata
2 – 16 Mar
6-8 wk
27 Apr
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
17 Jan – 14 Feb
4-8 wk
14 Mar
14 Mar
Foxglove
Digitalis purpurea
20 Dec – 3 Jan
8-10 wk
28 Feb
3 wk before
28 Mar
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
15 Feb – 15 Mar
8-12 wk
10 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
29 Mar – 12 Apr
4-6 wk
10 May
8 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Feb
8-10 wk
14 Apr
5 wk after
Love in a mist
Nigella damascena
11 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
30 Apr
7 wk after
Tall verbena
Verbena bonariensis
20 Jan – 17 Feb
8-12 wk
14 Apr
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
16 Jan – 13 Feb
8-12 wk
10 Apr
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
31 Jan – 28 Feb
8-12 wk
25 Apr
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
Corn poppy
Papaver rhoeas
11 Mar
1 wk before
Snapdragon
Antirrhinum majus
14 Dec – 11 Jan
8-12 wk
8 Mar
1 wk before
23 Mar
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
14 – 28 Feb
8-10 wk
25 Apr
6 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Jan
5-8 wk
28 Feb
3 wk before
Stock
Matthiola incana
11 – 25 Jan
6-8 wk
8 Mar
1 wk before
28 Mar
2 wk after
Wormwood
Artemisia absinthium
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
28 Mar
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
14 – 28 Mar
4-6 wk
25 Apr
6 wk after
Pansy
Viola × wittrockiana
11 – 25 Dec
8-10 wk
19 Feb
4 wk before
23 Mar
1 wk after
Petunia
Petunia
Fleece
31 Jan – 28 Feb
8-12 wk
25 Apr
6 wk after
Scabious
Scabiosa atropurpurea
17 Feb – 3 Mar
6-8 wk
14 Apr
5 wk after
25 Apr
6 wk after
Zinnia
Zinnia elegans
Fleece
14 – 28 Mar
4-6 wk
25 Apr
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
21 Mar – 4 Apr
3-5 wk
25 Apr
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
14 – 28 Mar
4-6 wk
25 Apr
6 wk after
10 Apr
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
15 Feb – 15 Mar
8-12 wk
10 May
8 wk after
Bee balm
Monarda didyma
21 Dec – 18 Jan
8-12 wk
15 Mar
Vid frost
9 Apr
4 wk after
Yarrow
Achillea millefolium
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
28 Mar
2 wk after
Safflower
Carthamus tinctorius
28 Feb
3 wk before
11 Mar
1 wk before
Iceland poppy
Papaver nudicaule
25 Dec – 8 Jan
6-8 wk
19 Feb
4 wk before
7 Mar
2 wk before
Bishop's flower
Ammi majus
12 – 26 Feb
4-6 wk
26 Mar
2 wk after
28 Mar
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
31 Jan – 14 Feb
10-12 wk
25 Apr
6 wk after
Sunflower
Helianthus annuus
Fleece
28 Mar – 4 Apr
3-4 wk
25 Apr
6 wk after
28 Mar
2 wk after
China aster
Callistephus chinensis
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
10 Apr
4 wk after
Annual phlox
Phlox drummondii
23 Feb – 9 Mar
6-8 wk
20 Apr
6 wk after
25 Apr
6 wk after
Hollyhock
Alcea rosea
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
28 Mar
2 wk after
Delphinium
Delphinium elatum
7 Jan – 4 Feb
8-12 wk
1 Apr
3 wk after
9 Apr
4 wk after
African marigold
Tagetes erecta
Fleece
28 Feb – 14 Mar
6-8 wk
25 Apr
6 wk after
Black-eyed Susan
Rudbeckia hirta
17 Feb – 3 Mar
6-8 wk
14 Apr
5 wk after
25 Apr
6 wk after
Woodland sage
Salvia nemorosa
10 – 24 Jan
8-10 wk
21 Mar
1 wk after
9 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
14 Feb – 14 Mar
6-10 wk
25 Apr
6 wk after
California goldenpoppy
Eschscholzia californica
11 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
14 – 28 Feb
8-10 wk
25 Apr
6 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Jan
6-8 wk
28 Feb
3 wk before
28 Mar
2 wk after
Current date Soon Date passed