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-0.2°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 Apr Normal year · 20 years of data
Frost-free season 189 days 25 Apr – 31 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
27 Mar – 10 Apr
5-7 wk
15 May
3 wk after
5 Apr
3 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
4-6 wk
12 May
3 wk after
21 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
13 Mar – 10 Apr
8-12 wk
5 Jun
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Feb
5-7 wk
1 Apr
4 wk before
17 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
23 – 30 May
3-4 wk
20 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
1 – 8 May
4-5 wk
5 Jun
6 wk after
8 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 May
3-4 wk
5 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
31 Jan – 28 Feb
8-12 wk
25 Apr
Vid frost
8 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
12 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
30 Apr – 7 May
3-4 wk
28 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
27 Apr – 4 May
3-4 wk
25 May
5 wk after
8 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Feb
5-7 wk
1 Apr
4 wk before
17 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
22 Feb – 8 Mar
4-6 wk
5 Apr
3 wk before
5 Apr
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Feb
5-7 wk
1 Apr
4 wk before
21 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
23 – 30 May
3-4 wk
20 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 Apr – 4 May
3-4 wk
25 May
5 wk after
8 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
4-6 wk
12 May
3 wk after
Lettuce
Lactuca sativa
21 – 28 Mar
3-4 wk
18 Apr
1 wk before
21 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Mar
4-6 wk
18 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
10 – 24 Feb
2-4 wk
10 Mar
7 wk before
10 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
22 Mar
5 wk before
Spinach
Spinacia oleracea
13 – 20 Mar
3-4 wk
10 Apr
3 wk before
12 Apr
3 wk before
Sweet potato
Ipomoea batatas
13 – 27 May
4-6 wk
24 Jun
11 wk after
Tomato
Solanum lycopersicum
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
8 – 22 May
2-4 wk
5 Jun
6 wk after
21 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
4-6 wk
12 May
3 wk after
Pea
Pisum sativum
13 – 20 Mar
3-4 wk
10 Apr
3 wk before
21 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
16 – 30 Apr
4-6 wk
28 May
5 wk after
Lemon balm
Melissa officinalis
14 – 28 Feb
8-10 wk
25 Apr
Vid frost
20 May
4 wk after
Dill
Anethum graveolens
21 Apr
1 wk before
Chives
Allium schoenoprasum
4 – 18 Feb
6-8 wk
1 Apr
4 wk before
21 Apr
1 wk before
Spearmint
Mentha spicata
16 Jan – 13 Feb
8-12 wk
10 Apr
3 wk before
20 May
4 wk after
Coriander
Coriandrum sativum
8 May
2 wk after
Sage
Salvia officinalis
16 – 30 Mar
8-10 wk
25 May
5 wk after
Thyme
Thymus vulgaris
3 – 17 Mar
8-10 wk
12 May
3 wk after
Oregano
Origanum vulgare
6 – 20 Mar
6-8 wk
1 May
1 wk after
20 May
4 wk after
Parsley
Petroselinum crispum
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
21 Apr
1 wk before
Rosemary
Salvia rosmarinus
16 Feb – 16 Mar
10-14 wk
25 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
23 – 30 May
3-4 wk
20 Jun
8 wk after
Cornflower
Centaurea cyanus
10 Apr
3 wk before
21 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
27 Mar – 10 Apr
8-10 wk
5 Jun
6 wk after
Sweet William
Dianthus barbatus
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
3 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
10 Jun
7 wk after
Dahlia
Dahlia × pinnata
12 – 26 Apr
6-8 wk
7 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
27 Feb – 27 Mar
4-8 wk
24 Apr
24 Apr
Foxglove
Digitalis purpurea
30 Jan – 13 Feb
8-10 wk
10 Apr
3 wk before
8 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
28 Mar – 25 Apr
8-12 wk
20 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
8 wk after
Chinese lantern
Physalis alkekengi
16 – 30 Mar
8-10 wk
25 May
5 wk after
Love in a mist
Nigella damascena
21 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
10 Jun
7 wk after
Tall verbena
Verbena bonariensis
2 – 30 Mar
8-12 wk
25 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
26 Feb – 26 Mar
8-12 wk
21 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
13 Mar – 10 Apr
8-12 wk
5 Jun
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
Corn poppy
Papaver rhoeas
21 Apr
1 wk before
Snapdragon
Antirrhinum majus
24 Jan – 21 Feb
8-12 wk
18 Apr
1 wk before
3 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
27 Mar – 10 Apr
8-10 wk
5 Jun
6 wk after
Sweet pea
Lathyrus odoratus
13 Feb – 6 Mar
5-8 wk
10 Apr
3 wk before
Stock
Matthiola incana
21 Feb – 7 Mar
6-8 wk
18 Apr
1 wk before
8 May
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
8 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
24 Apr – 8 May
4-6 wk
5 Jun
6 wk after
Pansy
Viola × wittrockiana
21 Jan – 4 Feb
8-10 wk
1 Apr
4 wk before
3 May
1 wk after
Petunia
Petunia
Fleece
13 Mar – 10 Apr
8-12 wk
5 Jun
6 wk after
Scabious
Scabiosa atropurpurea
30 Mar – 13 Apr
6-8 wk
25 May
5 wk after
5 Jun
6 wk after
Zinnia
Zinnia elegans
Fleece
24 Apr – 8 May
4-6 wk
5 Jun
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
1 – 15 May
3-5 wk
5 Jun
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
24 Apr – 8 May
4-6 wk
5 Jun
6 wk after
21 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
28 Mar – 25 Apr
8-12 wk
20 Jun
8 wk after
Bee balm
Monarda didyma
31 Jan – 28 Feb
8-12 wk
25 Apr
Vid frost
20 May
4 wk after
Yarrow
Achillea millefolium
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
8 May
2 wk after
Safflower
Carthamus tinctorius
10 Apr
3 wk before
21 Apr
1 wk before
Iceland poppy
Papaver nudicaule
4 – 18 Feb
6-8 wk
1 Apr
4 wk before
17 Apr
2 wk before
Bishop's flower
Ammi majus
25 Mar – 8 Apr
4-6 wk
6 May
2 wk after
8 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
13 – 27 Mar
10-12 wk
5 Jun
6 wk after
Sunflower
Helianthus annuus
Fleece
8 – 15 May
3-4 wk
5 Jun
6 wk after
8 May
2 wk after
China aster
Callistephus chinensis
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
21 May
4 wk after
Annual phlox
Phlox drummondii
5 – 19 Apr
6-8 wk
31 May
6 wk after
5 Jun
6 wk after
Hollyhock
Alcea rosea
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
8 May
2 wk after
Delphinium
Delphinium elatum
17 Feb – 17 Mar
8-12 wk
12 May
3 wk after
20 May
4 wk after
African marigold
Tagetes erecta
Fleece
10 – 24 Apr
6-8 wk
5 Jun
6 wk after
Black-eyed Susan
Rudbeckia hirta
30 Mar – 13 Apr
6-8 wk
25 May
5 wk after
5 Jun
6 wk after
Woodland sage
Salvia nemorosa
20 Feb – 6 Mar
8-10 wk
1 May
1 wk after
20 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
27 Mar – 24 Apr
6-10 wk
5 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
21 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
27 Mar – 10 Apr
8-10 wk
5 Jun
6 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
8 May
2 wk after
Current date Soon Date passed