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-1.7°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 13 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 180 days 13 Apr – 10 Oct
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)
Fleece
9 – 23 Mar
5-7 wk
27 Apr
2 wk after
26 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
2 wk after
9 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
23 Feb – 23 Mar
8-12 wk
18 May
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
5 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
20 – 27 Apr
3-4 wk
18 May
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
13 – 20 Apr
4-5 wk
18 May
5 wk after
23 Apr
1 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 Apr
3-4 wk
19 May
5 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Jan – 16 Feb
8-12 wk
13 Apr
Vid frost
26 Apr
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 Apr
1 wk after
Sweetcorn
Zea mays
Greenhouse
13 – 20 Apr
3-4 wk
11 May
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
3-4 wk
13 May
4 wk after
26 Apr
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
5 Apr
2 wk before
Potato
Solanum tuberosum
19 Apr – 3 May
4-6 wk
31 May
7 wk after
21 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
9 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
20 – 27 Apr
3-4 wk
18 May
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
3-4 wk
13 May
4 wk after
26 Apr
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
2 wk after
Lettuce
Lactuca sativa
9 – 16 Mar
3-4 wk
6 Apr
1 wk before
9 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Feb – 9 Mar
4-6 wk
6 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Mar
2-4 wk
29 Mar
2 wk before
5 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Apr
1 wk before
Spinach
Spinacia oleracea
1 – 8 Mar
3-4 wk
29 Mar
2 wk before
31 Mar
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 May
4-6 wk
12 Jun
8 wk after
Tomato
Solanum lycopersicum
Fleece
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
20 Apr – 4 May
2-4 wk
18 May
5 wk after
4 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
2 wk after
Pea
Pisum sativum
1 – 8 Mar
3-4 wk
29 Mar
2 wk before
9 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
17 Apr – 1 May
4-6 wk
29 May
7 wk after
Lemon balm
Melissa officinalis
2 – 16 Feb
8-10 wk
13 Apr
Vid frost
8 May
3 wk after
Dill
Anethum graveolens
9 Apr
1 wk before
Chives
Allium schoenoprasum
23 Jan – 6 Feb
6-8 wk
20 Mar
4 wk before
9 Apr
1 wk before
Spearmint
Mentha spicata
4 Jan – 1 Feb
8-12 wk
29 Mar
2 wk before
8 May
3 wk after
Coriander
Coriandrum sativum
26 Apr
1 wk after
Sage
Salvia officinalis
4 – 18 Mar
8-10 wk
13 May
4 wk after
Thyme
Thymus vulgaris
19 Feb – 5 Mar
8-10 wk
30 Apr
2 wk after
Oregano
Origanum vulgare
22 Feb – 8 Mar
6-8 wk
19 Apr
1 wk after
8 May
3 wk after
Parsley
Petroselinum crispum
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
9 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
19 Jan – 16 Feb
10-14 wk
27 Apr
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
2 – 9 May
3-4 wk
30 May
7 wk after
Cornflower
Centaurea cyanus
29 Mar
2 wk before
9 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
9 – 23 Mar
8-10 wk
18 May
5 wk after
Sweet William
Dianthus barbatus
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
21 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
29 May
7 wk after
Dahlia
Dahlia × pinnata
Fleece
17 – 31 Mar
6-8 wk
12 May
4 wk after
Dahlia (tubers)
Dahlia × pinnata
31 Mar – 28 Apr
4-8 wk
26 May
6 wk after
8 May
3 wk after
Foxglove
Digitalis purpurea
18 Jan – 1 Feb
8-10 wk
29 Mar
2 wk before
26 Apr
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 Apr – 2 May
4-6 wk
30 May
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
16 Feb – 2 Mar
8-10 wk
27 Apr
2 wk after
Love in a mist
Nigella damascena
9 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
10 – 24 Mar
6-8 wk
5 May
3 wk after
11 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
2 Feb – 2 Mar
8-12 wk
27 Apr
2 wk after
Cardoon
Cynara cardunculus
Season too short
10 Feb – 10 Mar
8-12 wk
5 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
Corn poppy
Papaver rhoeas
9 Apr
1 wk before
Snapdragon
Antirrhinum majus
12 Jan – 9 Feb
8-12 wk
6 Apr
1 wk before
21 Apr
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
9 – 23 Mar
8-10 wk
18 May
5 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Feb
5-8 wk
29 Mar
2 wk before
Stock
Matthiola incana
9 – 23 Feb
6-8 wk
6 Apr
1 wk before
26 Apr
1 wk after
Wormwood
Artemisia absinthium
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
26 Apr
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
6 – 20 Apr
4-6 wk
18 May
5 wk after
Pansy
Viola × wittrockiana
9 – 23 Jan
8-10 wk
20 Mar
4 wk before
21 Apr
1 wk after
Petunia
Petunia
Greenhouse
10 Feb – 10 Mar
8-12 wk
5 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
2 – 16 Mar
6-8 wk
27 Apr
2 wk after
4 May
3 wk after
Zinnia
Zinnia elegans
Fleece
6 – 20 Apr
4-6 wk
18 May
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
13 – 27 Apr
3-5 wk
18 May
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
6 – 20 Apr
4-6 wk
18 May
5 wk after
4 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
7 Mar – 4 Apr
8-12 wk
30 May
7 wk after
Bee balm
Monarda didyma
19 Jan – 16 Feb
8-12 wk
13 Apr
Vid frost
8 May
3 wk after
Yarrow
Achillea millefolium
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
26 Apr
1 wk after
Safflower
Carthamus tinctorius
29 Mar
2 wk before
9 Apr
1 wk before
Iceland poppy
Papaver nudicaule
23 Jan – 6 Feb
6-8 wk
20 Mar
4 wk before
5 Apr
2 wk before
Bishop's flower
Ammi majus
13 – 27 Mar
4-6 wk
24 Apr
1 wk after
26 Apr
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Feb – 9 Mar
10-12 wk
18 May
5 wk after
Sunflower
Helianthus annuus
Greenhouse
7 – 14 Apr
3-4 wk
5 May
3 wk after
12 Apr
China aster
Callistephus chinensis
Greenhouse
10 – 24 Mar
6-8 wk
5 May
3 wk after
23 Apr
1 wk after
Annual phlox
Phlox drummondii
24 Mar – 7 Apr
6-8 wk
19 May
5 wk after
24 May
5 wk after
Hollyhock
Alcea rosea
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
26 Apr
1 wk after
Delphinium
Delphinium elatum
5 Feb – 5 Mar
8-12 wk
30 Apr
2 wk after
8 May
3 wk after
African marigold
Tagetes erecta
Fleece
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
6-8 wk
13 May
4 wk after
24 May
5 wk after
Woodland sage
Salvia nemorosa
8 – 22 Feb
8-10 wk
19 Apr
1 wk after
8 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
9 Mar – 6 Apr
6-10 wk
18 May
5 wk after
California goldenpoppy
Eschscholzia californica
9 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
9 – 23 Mar
8-10 wk
18 May
5 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Feb
6-8 wk
29 Mar
2 wk before
26 Apr
1 wk after
Current date Soon Date passed