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-0.2°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 1 of 10 years · 20 years of data
Frost-free season 199 days 6 May – 21 Nov
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)
Fleece
7 – 21 Apr
5-7 wk
26 May
3 wk after
16 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 Apr
4-6 wk
23 May
3 wk after
2 May
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
24 Mar – 21 Apr
8-12 wk
16 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
22 Feb – 8 Mar
5-7 wk
12 Apr
4 wk before
28 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
3 – 10 Jun
3-4 wk
1 Jul
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
12 – 19 May
4-5 wk
16 Jun
6 wk after
19 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 May
3-4 wk
16 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Feb – 11 Mar
8-12 wk
6 May
Vid frost
19 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
23 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
11 – 18 May
3-4 wk
8 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
3-4 wk
5 Jun
5 wk after
19 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
22 Feb – 8 Mar
5-7 wk
12 Apr
4 wk before
28 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
5 – 19 Mar
4-6 wk
16 Apr
3 wk before
16 Apr
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Feb – 8 Mar
5-7 wk
12 Apr
4 wk before
2 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
3 – 10 Jun
3-4 wk
1 Jul
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
3-4 wk
5 Jun
5 wk after
19 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 Apr
4-6 wk
23 May
3 wk after
Lettuce
Lactuca sativa
1 – 8 Apr
3-4 wk
29 Apr
1 wk before
2 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Mar – 1 Apr
4-6 wk
29 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
21 Feb – 7 Mar
2-4 wk
21 Mar
7 wk before
21 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
2 Apr
5 wk before
Spinach
Spinacia oleracea
24 – 31 Mar
3-4 wk
21 Apr
3 wk before
23 Apr
3 wk before
Sweet potato
Ipomoea batatas
24 May – 7 Jun
4-6 wk
5 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
26 May – 9 Jun
2-4 wk
23 Jun
8 wk after
16 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 Apr
4-6 wk
23 May
3 wk after
Pea
Pisum sativum
24 – 31 Mar
3-4 wk
21 Apr
3 wk before
2 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
Season too short
27 Apr – 11 May
4-6 wk
8 Jun
5 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
8-10 wk
6 May
Vid frost
31 May
4 wk after
Dill
Anethum graveolens
2 May
1 wk before
Chives
Allium schoenoprasum
15 Feb – 1 Mar
6-8 wk
12 Apr
4 wk before
2 May
1 wk before
Spearmint
Mentha spicata
27 Jan – 24 Feb
8-12 wk
21 Apr
3 wk before
31 May
4 wk after
Coriander
Coriandrum sativum
19 May
2 wk after
Sage
Salvia officinalis
27 Mar – 10 Apr
8-10 wk
5 Jun
5 wk after
Thyme
Thymus vulgaris
14 – 28 Mar
8-10 wk
23 May
3 wk after
Oregano
Origanum vulgare
17 – 31 Mar
6-8 wk
12 May
1 wk after
31 May
4 wk after
Parsley
Petroselinum crispum
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
2 May
1 wk before
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
10-14 wk
5 Jun
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
3 – 10 Jun
3-4 wk
1 Jul
8 wk after
Cornflower
Centaurea cyanus
21 Apr
3 wk before
2 May
1 wk before
Statice
Limonium sinuatum
Fleece
7 – 21 Apr
8-10 wk
16 Jun
6 wk after
Sweet William
Dianthus barbatus
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
14 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
21 Jun
7 wk after
Dahlia
Dahlia × pinnata
23 Apr – 7 May
6-8 wk
18 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
10 Mar – 7 Apr
4-8 wk
5 May
5 May
Foxglove
Digitalis purpurea
10 – 24 Feb
8-10 wk
21 Apr
3 wk before
19 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
8 Apr – 6 May
8-12 wk
1 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
28 Apr – 12 May
6-8 wk
23 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 May – 3 Jun
4-6 wk
1 Jul
8 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
8-10 wk
5 Jun
5 wk after
Love in a mist
Nigella damascena
2 May
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
21 Jun
7 wk after
Tall verbena
Verbena bonariensis
13 Mar – 10 Apr
8-12 wk
5 Jun
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
9 Mar – 6 Apr
8-12 wk
1 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
24 Mar – 21 Apr
8-12 wk
16 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
Corn poppy
Papaver rhoeas
2 May
1 wk before
Snapdragon
Antirrhinum majus
4 Feb – 4 Mar
8-12 wk
29 Apr
1 wk before
14 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
7 – 21 Apr
8-10 wk
16 Jun
6 wk after
Sweet pea
Lathyrus odoratus
24 Feb – 17 Mar
5-8 wk
21 Apr
3 wk before
Stock
Matthiola incana
4 – 18 Mar
6-8 wk
29 Apr
1 wk before
19 May
2 wk after
Wormwood
Artemisia absinthium
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
19 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
5 – 19 May
4-6 wk
16 Jun
6 wk after
Pansy
Viola × wittrockiana
1 – 15 Feb
8-10 wk
12 Apr
4 wk before
14 May
1 wk after
Petunia
Petunia
Fleece
24 Mar – 21 Apr
8-12 wk
16 Jun
6 wk after
Scabious
Scabiosa atropurpurea
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
16 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
5 – 19 May
4-6 wk
16 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Fleece
27 May – 10 Jun
3-5 wk
1 Jul
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
5 – 19 May
4-6 wk
16 Jun
6 wk after
1 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
8 Apr – 6 May
8-12 wk
1 Jul
8 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
8-12 wk
6 May
Vid frost
31 May
4 wk after
Yarrow
Achillea millefolium
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
19 May
2 wk after
Safflower
Carthamus tinctorius
21 Apr
3 wk before
2 May
1 wk before
Iceland poppy
Papaver nudicaule
15 Feb – 1 Mar
6-8 wk
12 Apr
4 wk before
28 Apr
2 wk before
Bishop's flower
Ammi majus
5 – 19 Apr
4-6 wk
17 May
2 wk after
19 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
24 Mar – 7 Apr
10-12 wk
16 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
19 – 26 May
3-4 wk
16 Jun
6 wk after
19 May
2 wk after
China aster
Callistephus chinensis
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
1 Jun
4 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
6-8 wk
11 Jun
6 wk after
16 Jun
6 wk after
Hollyhock
Alcea rosea
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
19 May
2 wk after
Delphinium
Delphinium elatum
28 Feb – 28 Mar
8-12 wk
23 May
3 wk after
31 May
4 wk after
African marigold
Tagetes erecta
Fleece
21 Apr – 5 May
6-8 wk
16 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
16 Jun
6 wk after
Woodland sage
Salvia nemorosa
3 – 17 Mar
8-10 wk
12 May
1 wk after
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
7 Apr – 5 May
6-10 wk
16 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
2 May
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
7 – 21 Apr
8-10 wk
16 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
24 Feb – 10 Mar
6-8 wk
21 Apr
3 wk before
19 May
2 wk after
Current date Soon Date passed