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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) 18 Apr Normal year · 20 years of data
Frost-free season 197 days 18 Apr – 1 Nov
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
20 Mar – 3 Apr
5-7 wk
8 May
3 wk after
29 Mar
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Mar – 7 Apr
4-6 wk
5 May
3 wk after
14 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
6 Mar – 3 Apr
8-12 wk
29 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
4 – 18 Feb
5-7 wk
25 Mar
4 wk before
10 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
1 – 8 May
3-4 wk
29 May
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
24 Apr – 1 May
4-5 wk
29 May
6 wk after
1 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
1 – 8 May
3-4 wk
29 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Jan – 21 Feb
8-12 wk
18 Apr
Vid frost
1 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
5 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
23 – 30 Apr
3-4 wk
21 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Apr
3-4 wk
18 May
5 wk after
1 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
4 – 18 Feb
5-7 wk
25 Mar
4 wk before
10 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
15 Feb – 1 Mar
4-6 wk
29 Mar
3 wk before
29 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 Feb
5-7 wk
25 Mar
4 wk before
14 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
1 – 8 May
3-4 wk
29 May
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
20 – 27 Apr
3-4 wk
18 May
5 wk after
1 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Mar – 7 Apr
4-6 wk
5 May
3 wk after
Lettuce
Lactuca sativa
14 – 21 Mar
3-4 wk
11 Apr
1 wk before
14 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Feb – 14 Mar
4-6 wk
11 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
3 – 17 Feb
2-4 wk
3 Mar
7 wk before
3 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
15 Mar
5 wk before
Spinach
Spinacia oleracea
6 – 13 Mar
3-4 wk
3 Apr
3 wk before
5 Apr
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 May
4-6 wk
17 Jun
11 wk after
Tomato
Solanum lycopersicum
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
1 – 15 May
2-4 wk
29 May
6 wk after
14 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Mar – 7 Apr
4-6 wk
5 May
3 wk after
Pea
Pisum sativum
6 – 13 Mar
3-4 wk
3 Apr
3 wk before
14 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
Season too short
9 – 23 Apr
4-6 wk
21 May
5 wk after
Lemon balm
Melissa officinalis
7 – 21 Feb
8-10 wk
18 Apr
Vid frost
13 May
4 wk after
Dill
Anethum graveolens
14 Apr
1 wk before
Chives
Allium schoenoprasum
28 Jan – 11 Feb
6-8 wk
25 Mar
4 wk before
14 Apr
1 wk before
Spearmint
Mentha spicata
9 Jan – 6 Feb
8-12 wk
3 Apr
3 wk before
13 May
4 wk after
Coriander
Coriandrum sativum
1 May
2 wk after
Sage
Salvia officinalis
9 – 23 Mar
8-10 wk
18 May
5 wk after
Thyme
Thymus vulgaris
24 Feb – 10 Mar
8-10 wk
5 May
3 wk after
Oregano
Origanum vulgare
27 Feb – 13 Mar
6-8 wk
24 Apr
1 wk after
13 May
4 wk after
Parsley
Petroselinum crispum
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
14 Apr
1 wk before
Rosemary
Salvia rosmarinus
9 Feb – 9 Mar
10-14 wk
18 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
16 – 23 May
3-4 wk
13 Jun
8 wk after
Cornflower
Centaurea cyanus
3 Apr
3 wk before
14 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
20 Mar – 3 Apr
8-10 wk
29 May
6 wk after
Sweet William
Dianthus barbatus
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
26 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
3 Jun
7 wk after
Dahlia
Dahlia × pinnata
5 – 19 Apr
6-8 wk
31 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
20 Feb – 20 Mar
4-8 wk
17 Apr
17 Apr
Foxglove
Digitalis purpurea
23 Jan – 6 Feb
8-10 wk
3 Apr
3 wk before
1 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
21 Mar – 18 Apr
8-12 wk
13 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
2 – 16 May
4-6 wk
13 Jun
8 wk after
Chinese lantern
Physalis alkekengi
9 – 23 Mar
8-10 wk
18 May
5 wk after
Love in a mist
Nigella damascena
14 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
3 Jun
7 wk after
Tall verbena
Verbena bonariensis
23 Feb – 23 Mar
8-12 wk
18 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
19 Feb – 19 Mar
8-12 wk
14 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
6 Mar – 3 Apr
8-12 wk
29 May
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
3 – 17 Apr
6-8 wk
29 May
6 wk after
Corn poppy
Papaver rhoeas
14 Apr
1 wk before
Snapdragon
Antirrhinum majus
17 Jan – 14 Feb
8-12 wk
11 Apr
1 wk before
26 Apr
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
20 Mar – 3 Apr
8-10 wk
29 May
6 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Feb
5-8 wk
3 Apr
3 wk before
Stock
Matthiola incana
14 – 28 Feb
6-8 wk
11 Apr
1 wk before
1 May
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
1 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
17 Apr – 1 May
4-6 wk
29 May
6 wk after
Pansy
Viola × wittrockiana
14 – 28 Jan
8-10 wk
25 Mar
4 wk before
26 Apr
1 wk after
Petunia
Petunia
Fleece
6 Mar – 3 Apr
8-12 wk
29 May
6 wk after
Scabious
Scabiosa atropurpurea
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
29 May
6 wk after
Zinnia
Zinnia elegans
Fleece
17 Apr – 1 May
4-6 wk
29 May
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
24 Apr – 8 May
3-5 wk
29 May
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
17 Apr – 1 May
4-6 wk
29 May
6 wk after
14 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
8 wk after
Bee balm
Monarda didyma
24 Jan – 21 Feb
8-12 wk
18 Apr
Vid frost
13 May
4 wk after
Yarrow
Achillea millefolium
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
1 May
2 wk after
Safflower
Carthamus tinctorius
3 Apr
3 wk before
14 Apr
1 wk before
Iceland poppy
Papaver nudicaule
28 Jan – 11 Feb
6-8 wk
25 Mar
4 wk before
10 Apr
2 wk before
Bishop's flower
Ammi majus
18 Mar – 1 Apr
4-6 wk
29 Apr
2 wk after
1 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
6 – 20 Mar
10-12 wk
29 May
6 wk after
Sunflower
Helianthus annuus
Fleece
1 – 8 May
3-4 wk
29 May
6 wk after
1 May
2 wk after
China aster
Callistephus chinensis
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
14 May
4 wk after
Annual phlox
Phlox drummondii
29 Mar – 12 Apr
6-8 wk
24 May
6 wk after
29 May
6 wk after
Hollyhock
Alcea rosea
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
1 May
2 wk after
Delphinium
Delphinium elatum
10 Feb – 10 Mar
8-12 wk
5 May
3 wk after
13 May
4 wk after
African marigold
Tagetes erecta
Fleece
3 – 17 Apr
6-8 wk
29 May
6 wk after
Black-eyed Susan
Rudbeckia hirta
23 Mar – 6 Apr
6-8 wk
18 May
5 wk after
29 May
6 wk after
Woodland sage
Salvia nemorosa
13 – 27 Feb
8-10 wk
24 Apr
1 wk after
13 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
20 Mar – 17 Apr
6-10 wk
29 May
6 wk after
California goldenpoppy
Eschscholzia californica
14 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
20 Mar – 3 Apr
8-10 wk
29 May
6 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Feb
6-8 wk
3 Apr
3 wk before
1 May
2 wk after
Current date Soon Date passed