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-0.9°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 04:00 – 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 1 May Normal year · 20 years of data
Frost-free season 173 days 1 May – 21 Oct
Probability that frost is over

50% = 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
2 – 16 Apr
5-7 wk
21 May
3 wk after
11 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
27 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
19 Mar – 16 Apr
8-12 wk
11 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
23 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
7 – 14 May
4-5 wk
11 Jun
6 wk after
14 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
14 – 21 May
3-4 wk
11 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Feb – 6 Mar
8-12 wk
1 May
Vid frost
14 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
14 May
2 wk after
Sweetcorn
Zea mays
29 May – 5 Jun
3-4 wk
26 Jun
10 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
3-4 wk
31 May
5 wk after
14 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
23 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
23 Apr
2 wk before
Potato
Solanum tuberosum
7 – 21 May
4-6 wk
18 Jun
8 wk after
9 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
27 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 May
3-4 wk
31 May
5 wk after
14 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
Lettuce
Lactuca sativa
27 Mar – 3 Apr
3-4 wk
24 Apr
1 wk before
27 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Mar – 2 Apr
2-4 wk
16 Apr
3 wk before
23 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 Apr
1 wk before
Spinach
Spinacia oleracea
19 – 26 Mar
3-4 wk
16 Apr
3 wk before
18 Apr
3 wk before
Sweet potato
Ipomoea batatas
19 May – 2 Jun
4-6 wk
30 Jun
11 wk after
Tomato
Solanum lycopersicum
Fleece
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
21 May – 4 Jun
2-4 wk
18 Jun
8 wk after
11 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
4-6 wk
18 May
3 wk after
Pea
Pisum sativum
19 – 26 Mar
3-4 wk
16 Apr
3 wk before
27 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
19 May – 2 Jun
4-6 wk
30 Jun
11 wk after
Lemon balm
Melissa officinalis
20 Feb – 6 Mar
8-10 wk
1 May
Vid frost
26 May
4 wk after
Dill
Anethum graveolens
27 Apr
1 wk before
Chives
Allium schoenoprasum
10 – 24 Feb
6-8 wk
7 Apr
4 wk before
27 Apr
1 wk before
Spearmint
Mentha spicata
22 Jan – 19 Feb
8-12 wk
16 Apr
3 wk before
26 May
4 wk after
Coriander
Coriandrum sativum
14 May
2 wk after
Sage
Salvia officinalis
22 Mar – 5 Apr
8-10 wk
31 May
5 wk after
Thyme
Thymus vulgaris
9 – 23 Mar
8-10 wk
18 May
3 wk after
Oregano
Origanum vulgare
12 – 26 Mar
6-8 wk
7 May
1 wk after
26 May
4 wk after
Parsley
Petroselinum crispum
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
27 Apr
1 wk before
Rosemary
Salvia rosmarinus
22 Feb – 22 Mar
10-14 wk
31 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
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
8 wk after
Cornflower
Centaurea cyanus
16 Apr
3 wk before
27 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
2 – 16 Apr
8-10 wk
11 Jun
6 wk after
Sweet William
Dianthus barbatus
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
9 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
16 Jun
7 wk after
Dahlia
Dahlia × pinnata
18 Apr – 2 May
6-8 wk
13 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
18 Apr – 16 May
4-8 wk
13 Jun
7 wk after
26 May
4 wk after
Foxglove
Digitalis purpurea
5 – 19 Feb
8-10 wk
16 Apr
3 wk before
14 May
2 wk after
Busy lizzie
Impatiens walleriana
3 Apr – 1 May
8-12 wk
26 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
6-8 wk
18 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
8 wk after
Chinese lantern
Physalis alkekengi
22 Mar – 5 Apr
8-10 wk
31 May
5 wk after
Love in a mist
Nigella damascena
27 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
16 Jun
7 wk after
Tall verbena
Verbena bonariensis
8 Mar – 5 Apr
8-12 wk
31 May
5 wk after
Cardoon
Cynara cardunculus
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
19 Mar – 16 Apr
8-12 wk
11 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
Corn poppy
Papaver rhoeas
27 Apr
1 wk before
Snapdragon
Antirrhinum majus
30 Jan – 27 Feb
8-12 wk
24 Apr
1 wk before
9 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
2 – 16 Apr
8-10 wk
11 Jun
6 wk after
Sweet pea
Lathyrus odoratus
19 Feb – 12 Mar
5-8 wk
16 Apr
3 wk before
Stock
Matthiola incana
27 Feb – 13 Mar
6-8 wk
24 Apr
1 wk before
14 May
2 wk after
Wormwood
Artemisia absinthium
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
14 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
30 Apr – 14 May
4-6 wk
11 Jun
6 wk after
Pansy
Viola × wittrockiana
27 Jan – 10 Feb
8-10 wk
7 Apr
4 wk before
9 May
1 wk after
Petunia
Petunia
Fleece
19 Mar – 16 Apr
8-12 wk
11 Jun
6 wk after
Scabious
Scabiosa atropurpurea
5 – 19 Apr
6-8 wk
31 May
5 wk after
11 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
30 Apr – 14 May
4-6 wk
11 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Fleece
22 May – 5 Jun
3-5 wk
26 Jun
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
30 Apr – 14 May
4-6 wk
11 Jun
6 wk after
27 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 Apr – 1 May
8-12 wk
26 Jun
8 wk after
Bee balm
Monarda didyma
6 Feb – 6 Mar
8-12 wk
1 May
Vid frost
26 May
4 wk after
Yarrow
Achillea millefolium
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
14 May
2 wk after
Safflower
Carthamus tinctorius
16 Apr
3 wk before
27 Apr
1 wk before
Iceland poppy
Papaver nudicaule
10 – 24 Feb
6-8 wk
7 Apr
4 wk before
23 Apr
2 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
4-6 wk
12 May
2 wk after
14 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
10-12 wk
11 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
14 – 21 May
3-4 wk
11 Jun
6 wk after
14 May
2 wk after
China aster
Callistephus chinensis
Fleece
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
27 May
4 wk after
Annual phlox
Phlox drummondii
11 – 25 Apr
6-8 wk
6 Jun
6 wk after
11 Jun
6 wk after
Hollyhock
Alcea rosea
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
14 May
2 wk after
Delphinium
Delphinium elatum
23 Feb – 23 Mar
8-12 wk
18 May
3 wk after
26 May
4 wk after
African marigold
Tagetes erecta
Fleece
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
6-8 wk
31 May
5 wk after
11 Jun
6 wk after
Woodland sage
Salvia nemorosa
26 Feb – 12 Mar
8-10 wk
7 May
1 wk after
26 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
2 – 30 Apr
6-10 wk
11 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
27 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
2 – 16 Apr
8-10 wk
11 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
14 May
2 wk after
Current date Soon Date passed