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-0.5°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
No frost in sight Last frost normally in 1 days (9 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 9 Apr Normal year · 20 years of data
Frost-free season 224 days 9 Apr – 19 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)
21 Mar – 4 Apr
5-7 wk
9 May
5 wk after
5 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Mar
4-6 wk
26 Apr
3 wk after
5 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
12 Mar – 9 Apr
8-12 wk
4 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
26 Jan – 9 Feb
5-7 wk
16 Mar
4 wk before
1 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
7 – 14 May
3-4 wk
4 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
30 Apr – 7 May
4-5 wk
4 Jun
8 wk after
5 May
4 wk after
Butter bean
Phaseolus lunatus
Season too short
22 – 29 Apr
3-4 wk
20 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Jan – 12 Feb
8-12 wk
9 Apr
Vid frost
22 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
27 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
14 – 21 Apr
3-4 wk
12 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 Apr
3-4 wk
9 May
5 wk after
22 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
26 Jan – 9 Feb
5-7 wk
16 Mar
4 wk before
1 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
6 – 20 Feb
4-6 wk
20 Mar
3 wk before
20 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
26 Jan – 9 Feb
5-7 wk
16 Mar
4 wk before
5 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
7 – 14 May
3-4 wk
4 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 Apr
3-4 wk
9 May
5 wk after
22 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Mar
4-6 wk
26 Apr
3 wk after
Lettuce
Lactuca sativa
5 – 12 Mar
3-4 wk
2 Apr
1 wk before
5 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Feb – 5 Mar
4-6 wk
2 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
25 Jan – 8 Feb
2-4 wk
22 Feb
7 wk before
22 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
6 Mar
5 wk before
Spinach
Spinacia oleracea
25 Feb – 4 Mar
3-4 wk
25 Mar
3 wk before
27 Mar
3 wk before
Sweet potato
Ipomoea batatas
27 Apr – 11 May
4-6 wk
8 Jun
11 wk after
Tomato
Solanum lycopersicum
1 – 15 Apr
6-8 wk
27 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
29 Apr – 13 May
2-4 wk
27 May
8 wk after
20 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Mar
4-6 wk
26 Apr
3 wk after
Pea
Pisum sativum
25 Feb – 4 Mar
3-4 wk
25 Mar
3 wk before
5 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
31 Mar – 14 Apr
4-6 wk
12 May
5 wk after
Lemon balm
Melissa officinalis
29 Jan – 12 Feb
8-10 wk
9 Apr
Vid frost
4 May
4 wk after
Dill
Anethum graveolens
5 Apr
1 wk before
Chives
Allium schoenoprasum
19 Jan – 2 Feb
6-8 wk
16 Mar
4 wk before
5 Apr
1 wk before
Spearmint
Mentha spicata
31 Dec – 28 Jan
8-12 wk
25 Mar
3 wk before
4 May
4 wk after
Coriander
Coriandrum sativum
22 Apr
2 wk after
Sage
Salvia officinalis
28 Feb – 14 Mar
8-10 wk
9 May
5 wk after
Thyme
Thymus vulgaris
15 Feb – 1 Mar
8-10 wk
26 Apr
3 wk after
Oregano
Origanum vulgare
18 Feb – 4 Mar
6-8 wk
15 Apr
1 wk after
4 May
4 wk after
Parsley
Petroselinum crispum
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
5 Apr
1 wk before
Rosemary
Salvia rosmarinus
31 Jan – 28 Feb
10-14 wk
9 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
Greenhouse
7 – 14 May
3-4 wk
4 Jun
8 wk after
Cornflower
Centaurea cyanus
25 Mar
3 wk before
5 Apr
1 wk before
Statice
Limonium sinuatum
18 Mar – 1 Apr
8-10 wk
27 May
8 wk after
Sweet William
Dianthus barbatus
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
17 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 Apr
6-8 wk
27 May
8 wk after
19 Jun
11 wk after
Dahlia
Dahlia × pinnata
27 Mar – 10 Apr
6-8 wk
22 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
11 Feb – 11 Mar
4-8 wk
8 Apr
8 Apr
Foxglove
Digitalis purpurea
14 – 28 Jan
8-10 wk
25 Mar
3 wk before
22 Apr
2 wk after
Busy lizzie
Impatiens walleriana
12 Mar – 9 Apr
8-12 wk
4 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 Apr
6-8 wk
27 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
8 wk after
Chinese lantern
Physalis alkekengi
28 Feb – 14 Mar
8-10 wk
9 May
5 wk after
Love in a mist
Nigella damascena
5 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
1 – 15 Apr
6-8 wk
27 May
8 wk after
19 Jun
11 wk after
Tall verbena
Verbena bonariensis
14 Feb – 14 Mar
8-12 wk
9 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
10 Feb – 10 Mar
8-12 wk
5 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
12 Mar – 9 Apr
8-12 wk
4 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
9 – 23 Apr
6-8 wk
4 Jun
8 wk after
Corn poppy
Papaver rhoeas
5 Apr
1 wk before
Snapdragon
Antirrhinum majus
8 Jan – 5 Feb
8-12 wk
2 Apr
1 wk before
17 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
26 Mar – 9 Apr
8-10 wk
4 Jun
8 wk after
Sweet pea
Lathyrus odoratus
28 Jan – 18 Feb
5-8 wk
25 Mar
3 wk before
Stock
Matthiola incana
5 – 19 Feb
6-8 wk
2 Apr
1 wk before
22 Apr
2 wk after
Wormwood
Artemisia absinthium
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
22 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
23 Apr – 7 May
4-6 wk
4 Jun
8 wk after
Pansy
Viola × wittrockiana
5 – 19 Jan
8-10 wk
16 Mar
4 wk before
17 Apr
1 wk after
Petunia
Petunia
4 Mar – 1 Apr
8-12 wk
27 May
8 wk after
Scabious
Scabiosa atropurpurea
14 – 28 Mar
6-8 wk
9 May
5 wk after
20 May
6 wk after
Zinnia
Zinnia elegans
15 – 29 Apr
4-6 wk
27 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
30 Apr – 14 May
3-5 wk
4 Jun
8 wk after
Cosmos
Cosmos bipinnatus
15 – 29 Apr
4-6 wk
27 May
8 wk after
20 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
12 Mar – 9 Apr
8-12 wk
4 Jun
8 wk after
Bee balm
Monarda didyma
15 Jan – 12 Feb
8-12 wk
9 Apr
Vid frost
4 May
4 wk after
Yarrow
Achillea millefolium
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
22 Apr
2 wk after
Safflower
Carthamus tinctorius
25 Mar
3 wk before
5 Apr
1 wk before
Iceland poppy
Papaver nudicaule
19 Jan – 2 Feb
6-8 wk
16 Mar
4 wk before
1 Apr
2 wk before
Bishop's flower
Ammi majus
9 – 23 Mar
4-6 wk
20 Apr
2 wk after
22 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
25 Feb – 11 Mar
10-12 wk
20 May
6 wk after
Sunflower
Helianthus annuus
29 Apr – 6 May
3-4 wk
27 May
8 wk after
4 May
4 wk after
China aster
Callistephus chinensis
1 – 15 Apr
6-8 wk
27 May
8 wk after
20 May
6 wk after
Annual phlox
Phlox drummondii
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
20 May
6 wk after
Hollyhock
Alcea rosea
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
22 Apr
2 wk after
Delphinium
Delphinium elatum
1 Feb – 1 Mar
8-12 wk
26 Apr
3 wk after
4 May
4 wk after
African marigold
Tagetes erecta
1 – 15 Apr
6-8 wk
27 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Mar
6-8 wk
9 May
5 wk after
20 May
6 wk after
Woodland sage
Salvia nemorosa
4 – 18 Feb
8-10 wk
15 Apr
1 wk after
4 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
26 Mar – 23 Apr
6-10 wk
4 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
5 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
18 Mar – 1 Apr
8-10 wk
27 May
8 wk after
Water forget-me-not
Myosotis scorpioides
28 Jan – 11 Feb
6-8 wk
25 Mar
3 wk before
22 Apr
2 wk after
Current date Soon Date passed