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-2.9°
Slight frost tomorrow morning at 06:00. Frost temperatures between 23:00 – tomorrow 08:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 20 May Frost 1 of 10 years · 20 years of data
Frost-free season 150 days 20 May – 17 Oct
Probability that frost is over

90% = 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)
Greenhouse
7 – 21 Apr
5-7 wk
26 May
1 wk after
21 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
16 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
12 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
20 – 27 May
4-5 wk
24 Jun
5 wk after
30 May
1 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Feb – 25 Mar
8-12 wk
20 May
Vid frost
2 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 Jun
1 wk after
Sweetcorn
Zea mays
Greenhouse
20 – 27 May
3-4 wk
17 Jun
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 May
3-4 wk
19 Jun
4 wk after
2 Jun
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
12 May
2 wk before
Potato
Solanum tuberosum
26 May – 9 Jun
4-6 wk
7 Jul
7 wk after
28 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Mar
5-7 wk
26 Apr
4 wk before
16 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 – 29 May
3-4 wk
19 Jun
4 wk after
2 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Lettuce
Lactuca sativa
15 – 22 Apr
3-4 wk
13 May
1 wk before
16 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Apr
4-6 wk
13 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
7 – 21 Apr
2-4 wk
5 May
2 wk before
12 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 May
1 wk before
Spinach
Spinacia oleracea
7 – 14 Apr
3-4 wk
5 May
2 wk before
7 May
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jun
4-6 wk
19 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
27 May – 10 Jun
2-4 wk
24 Jun
5 wk after
10 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Pea
Pisum sativum
7 – 14 Apr
3-4 wk
5 May
2 wk before
16 May
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
24 May – 7 Jun
4-6 wk
5 Jul
7 wk after
Lemon balm
Melissa officinalis
11 – 25 Mar
8-10 wk
20 May
Vid frost
14 Jun
3 wk after
Dill
Anethum graveolens
16 May
1 wk before
Chives
Allium schoenoprasum
1 – 15 Mar
6-8 wk
26 Apr
4 wk before
16 May
1 wk before
Spearmint
Mentha spicata
10 Feb – 10 Mar
8-12 wk
5 May
2 wk before
14 Jun
3 wk after
Coriander
Coriandrum sativum
2 Jun
1 wk after
Sage
Salvia officinalis
10 – 24 Apr
8-10 wk
19 Jun
4 wk after
Thyme
Thymus vulgaris
28 Mar – 11 Apr
8-10 wk
6 Jun
2 wk after
Oregano
Origanum vulgare
31 Mar – 14 Apr
6-8 wk
26 May
1 wk after
14 Jun
3 wk after
Parsley
Petroselinum crispum
10 – 24 Mar
6-8 wk
5 May
2 wk before
16 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
25 Feb – 25 Mar
10-14 wk
3 Jun
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
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Cornflower
Centaurea cyanus
5 May
2 wk before
16 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Sweet William
Dianthus barbatus
10 – 24 Mar
6-8 wk
5 May
2 wk before
28 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Dahlia
Dahlia × pinnata
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
2 wk after
Dahlia (tubers)
Dahlia × pinnata
7 May – 4 Jun
4-8 wk
2 Jul
6 wk after
14 Jun
3 wk after
Foxglove
Digitalis purpurea
24 Feb – 10 Mar
8-10 wk
5 May
2 wk before
2 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
13 Apr – 11 May
8-12 wk
6 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
25 May – 8 Jun
4-6 wk
6 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
25 Mar – 8 Apr
8-10 wk
3 Jun
2 wk after
Love in a mist
Nigella damascena
16 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
17 Jun
4 wk after
Tall verbena
Verbena bonariensis
Fleece
11 Mar – 8 Apr
8-12 wk
3 Jun
2 wk after
Cardoon
Cynara cardunculus
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Corn poppy
Papaver rhoeas
16 May
1 wk before
Snapdragon
Antirrhinum majus
18 Feb – 18 Mar
8-12 wk
13 May
1 wk before
28 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
15 – 29 Apr
8-10 wk
24 Jun
5 wk after
Sweet pea
Lathyrus odoratus
10 – 31 Mar
5-8 wk
5 May
2 wk before
Stock
Matthiola incana
18 Mar – 1 Apr
6-8 wk
13 May
1 wk before
2 Jun
1 wk after
Wormwood
Artemisia absinthium
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
13 – 27 May
4-6 wk
24 Jun
5 wk after
Pansy
Viola × wittrockiana
15 Feb – 1 Mar
8-10 wk
26 Apr
4 wk before
28 May
1 wk after
Petunia
Petunia
Greenhouse
19 Mar – 16 Apr
8-12 wk
11 Jun
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
8 – 22 Apr
6-8 wk
3 Jun
2 wk after
10 Jun
3 wk after
Zinnia
Zinnia elegans
Greenhouse
30 Apr – 14 May
4-6 wk
11 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
20 May – 3 Jun
3-5 wk
24 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
30 Apr – 14 May
4-6 wk
11 Jun
3 wk after
30 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
13 Apr – 11 May
8-12 wk
6 Jul
7 wk after
Bee balm
Monarda didyma
25 Feb – 25 Mar
8-12 wk
20 May
Vid frost
14 Jun
3 wk after
Yarrow
Achillea millefolium
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Safflower
Carthamus tinctorius
5 May
2 wk before
16 May
1 wk before
Iceland poppy
Papaver nudicaule
1 – 15 Mar
6-8 wk
26 Apr
4 wk before
12 May
2 wk before
Bishop's flower
Ammi majus
19 Apr – 3 May
4-6 wk
31 May
1 wk after
2 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
1 – 15 Apr
10-12 wk
24 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
14 – 21 May
3-4 wk
11 Jun
3 wk after
19 May
China aster
Callistephus chinensis
Season too short
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
30 May
1 wk after
Annual phlox
Phlox drummondii
30 Apr – 14 May
6-8 wk
25 Jun
5 wk after
30 Jun
5 wk after
Hollyhock
Alcea rosea
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Delphinium
Delphinium elatum
14 Mar – 11 Apr
8-12 wk
6 Jun
2 wk after
14 Jun
3 wk after
African marigold
Tagetes erecta
Greenhouse
16 – 30 Apr
6-8 wk
11 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
24 Apr – 8 May
6-8 wk
19 Jun
4 wk after
30 Jun
5 wk after
Woodland sage
Salvia nemorosa
17 – 31 Mar
8-10 wk
26 May
1 wk after
14 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
15 Apr – 13 May
6-10 wk
24 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
16 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
2 – 16 Apr
8-10 wk
11 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Mar
6-8 wk
5 May
2 wk before
2 Jun
1 wk after
Current date Soon Date passed