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-1.4°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 01:00 – 06:00. Bring in or cover sensitive plants
-0.1°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 14 May Frost 1 of 10 years · 20 years of data
Frost-free season 176 days 14 May – 6 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
15 – 29 Apr
5-7 wk
3 Jun
3 wk after
24 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
3 wk after
8 May
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
1 – 29 Apr
8-12 wk
24 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
24 Feb – 10 Mar
5-7 wk
14 Apr
4 wk before
1 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
20 – 27 May
4-5 wk
24 Jun
6 wk after
27 May
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Feb – 19 Mar
8-12 wk
14 May
Vid frost
27 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
2 wk after
27 May
2 wk after
Sweetcorn
Zea mays
Greenhouse
19 – 26 May
3-4 wk
16 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 May
3-4 wk
15 Jun
5 wk after
27 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
24 Feb – 10 Mar
5-7 wk
14 Apr
4 wk before
1 May
2 wk before
Potato
Solanum tuberosum
7 – 21 Apr
4-6 wk
19 May
1 wk after
19 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Feb – 10 Mar
5-7 wk
14 Apr
4 wk before
8 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
11 – 18 Jun
3-4 wk
9 Jul
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 May
3-4 wk
15 Jun
5 wk after
27 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
3 wk after
Lettuce
Lactuca sativa
7 – 14 Apr
3-4 wk
5 May
1 wk before
8 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Mar – 7 Apr
4-6 wk
5 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 Apr
2-4 wk
1 May
2 wk before
1 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
8 May
1 wk before
8 May
1 wk before
Spinach
Spinacia oleracea
27 Mar – 3 Apr
3-4 wk
24 Apr
3 wk before
24 Apr
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jun
4-6 wk
27 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
27 May – 10 Jun
2-4 wk
24 Jun
6 wk after
9 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
3 wk after
Pea
Pisum sativum
27 Mar – 3 Apr
3-4 wk
24 Apr
3 wk before
8 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
18 May – 1 Jun
4-6 wk
29 Jun
7 wk after
Lemon balm
Melissa officinalis
5 – 19 Mar
8-10 wk
14 May
Vid frost
9 Jun
4 wk after
Dill
Anethum graveolens
8 May
1 wk before
Chives
Allium schoenoprasum
17 Feb – 3 Mar
6-8 wk
14 Apr
4 wk before
8 May
1 wk before
Spearmint
Mentha spicata
30 Jan – 27 Feb
8-12 wk
24 Apr
3 wk before
9 Jun
4 wk after
Coriander
Coriandrum sativum
27 May
2 wk after
Sage
Salvia officinalis
6 – 20 Apr
8-10 wk
15 Jun
5 wk after
Thyme
Thymus vulgaris
25 Mar – 8 Apr
8-10 wk
3 Jun
3 wk after
Oregano
Origanum vulgare
28 Mar – 11 Apr
6-8 wk
23 May
1 wk after
9 Jun
4 wk after
Parsley
Petroselinum crispum
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
8 May
1 wk before
Rosemary
Salvia rosmarinus
9 Mar – 6 Apr
10-14 wk
15 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
11 – 18 Jun
3-4 wk
9 Jul
8 wk after
Cornflower
Centaurea cyanus
24 Apr
3 wk before
8 May
1 wk before
Statice
Limonium sinuatum
Fleece
15 – 29 Apr
8-10 wk
24 Jun
6 wk after
Sweet William
Dianthus barbatus
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
19 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
29 Jun
7 wk after
Dahlia
Dahlia × pinnata
Fleece
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
14 Apr – 12 May
4-8 wk
9 Jun
4 wk after
9 Jun
4 wk after
Foxglove
Digitalis purpurea
13 – 27 Feb
8-10 wk
24 Apr
3 wk before
27 May
2 wk after
Busy lizzie
Impatiens walleriana
27 Apr – 25 May
8-12 wk
20 Jul
10 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 May – 11 Jun
4-6 wk
9 Jul
8 wk after
Chinese lantern
Physalis alkekengi
6 – 20 Apr
8-10 wk
15 Jun
5 wk after
Love in a mist
Nigella damascena
8 May
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
29 Jun
7 wk after
Tall verbena
Verbena bonariensis
23 Mar – 20 Apr
8-12 wk
15 Jun
5 wk after
Cardoon
Cynara cardunculus
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
1 – 29 Apr
8-12 wk
24 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
Corn poppy
Papaver rhoeas
8 May
1 wk before
Snapdragon
Antirrhinum majus
10 Feb – 10 Mar
8-12 wk
5 May
1 wk before
19 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
15 – 29 Apr
8-10 wk
24 Jun
6 wk after
Sweet pea
Lathyrus odoratus
27 Feb – 20 Mar
5-8 wk
24 Apr
3 wk before
Stock
Matthiola incana
10 – 24 Mar
6-8 wk
5 May
1 wk before
27 May
2 wk after
Wormwood
Artemisia absinthium
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
27 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
13 – 27 May
4-6 wk
24 Jun
6 wk after
Pansy
Viola × wittrockiana
3 – 17 Feb
8-10 wk
14 Apr
4 wk before
19 May
1 wk after
Petunia
Petunia
Fleece
1 – 29 Apr
8-12 wk
24 Jun
6 wk after
Scabious
Scabiosa atropurpurea
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
24 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
13 – 27 May
4-6 wk
24 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
20 May – 3 Jun
3-5 wk
24 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
13 – 27 May
4-6 wk
24 Jun
6 wk after
9 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
16 Apr – 14 May
8-12 wk
9 Jul
8 wk after
Bee balm
Monarda didyma
19 Feb – 19 Mar
8-12 wk
14 May
Vid frost
9 Jun
4 wk after
Yarrow
Achillea millefolium
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
27 May
2 wk after
Safflower
Carthamus tinctorius
24 Apr
3 wk before
8 May
1 wk before
Iceland poppy
Papaver nudicaule
17 Feb – 3 Mar
6-8 wk
14 Apr
4 wk before
1 May
2 wk before
Bishop's flower
Ammi majus
17 Apr – 1 May
4-6 wk
29 May
2 wk after
27 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
1 – 15 Apr
10-12 wk
24 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
27 May – 3 Jun
3-4 wk
24 Jun
6 wk after
27 May
2 wk after
China aster
Callistephus chinensis
Greenhouse
14 – 28 Apr
6-8 wk
9 Jun
4 wk after
27 May
2 wk after
Annual phlox
Phlox drummondii
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
24 Jun
6 wk after
Hollyhock
Alcea rosea
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
27 May
2 wk after
Delphinium
Delphinium elatum
11 Mar – 8 Apr
8-12 wk
3 Jun
3 wk after
9 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
24 Jun
6 wk after
Woodland sage
Salvia nemorosa
14 – 28 Mar
8-10 wk
23 May
1 wk after
9 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
15 Apr – 13 May
6-10 wk
24 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
8 May
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
15 – 29 Apr
8-10 wk
24 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
27 May
2 wk after
Current date Soon Date passed