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0.8°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-0.5°
Last 24h: Slight frost recorded tonight at 00:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 1 of 10 years · 20 years of data
Frost-free season 156 days 16 May – 19 Oct
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)
Greenhouse
2 – 16 Apr
5-7 wk
21 May
1 wk after
7 May
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
4-6 wk
2 Jun
3 wk after
12 May
Vid frost
Chili pepper
Capsicum annuum
Greenhouse
27 Mar – 24 Apr
8-12 wk
19 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
4 – 18 Mar
5-7 wk
22 Apr
2 wk before
8 May
Vid frost
Cucumber
Cucumis sativus
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
15 – 22 May
4-5 wk
19 Jun
5 wk after
29 May
2 wk after
Butter bean
Phaseolus lunatus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
8-12 wk
16 May
Vid frost
29 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
2 wk after
Sweetcorn
Zea mays
Greenhouse
20 – 27 May
3-4 wk
17 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 May
3-4 wk
15 Jun
5 wk after
29 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
4 – 18 Mar
5-7 wk
22 Apr
2 wk before
8 May
Vid frost
Potato
Solanum tuberosum
22 May – 5 Jun
4-6 wk
3 Jul
6 wk after
24 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 Mar
5-7 wk
22 Apr
2 wk before
12 May
Vid frost
Pumpkin
Cucurbita pepo
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 May
3-4 wk
15 Jun
5 wk after
29 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
4-6 wk
2 Jun
3 wk after
Lettuce
Lactuca sativa
11 – 18 Apr
3-4 wk
9 May
1 wk before
12 May
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Mar – 11 Apr
4-6 wk
9 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 Apr
2-4 wk
1 May
1 wk before
8 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
Vid frost
Spinach
Spinacia oleracea
3 – 10 Apr
3-4 wk
1 May
1 wk before
3 May
Vid frost
Sweet potato
Ipomoea batatas
3 – 17 Jun
4-6 wk
15 Jul
7 wk after
Tomato
Solanum lycopersicum
Fleece
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
22 May – 5 Jun
2-4 wk
19 Jun
5 wk after
10 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
4-6 wk
2 Jun
3 wk after
Pea
Pisum sativum
3 – 10 Apr
3-4 wk
1 May
1 wk before
12 May
Vid frost
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
Greenhouse
6 – 20 May
4-6 wk
17 Jun
5 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
8-10 wk
16 May
Vid frost
10 Jun
4 wk after
Dill
Anethum graveolens
12 May
Vid frost
Chives
Allium schoenoprasum
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
12 May
Vid frost
Spearmint
Mentha spicata
6 Feb – 6 Mar
8-12 wk
1 May
1 wk before
10 Jun
4 wk after
Coriander
Coriandrum sativum
29 May
2 wk after
Sage
Salvia officinalis
6 – 20 Apr
8-10 wk
15 Jun
5 wk after
Thyme
Thymus vulgaris
24 Mar – 7 Apr
8-10 wk
2 Jun
3 wk after
Oregano
Origanum vulgare
27 Mar – 10 Apr
6-8 wk
22 May
1 wk after
10 Jun
4 wk after
Parsley
Petroselinum crispum
6 – 20 Mar
6-8 wk
1 May
1 wk before
12 May
Vid frost
Rosemary
Salvia rosmarinus
Fleece
26 Feb – 26 Mar
10-14 wk
4 Jun
3 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
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Cornflower
Centaurea cyanus
1 May
1 wk before
12 May
Vid frost
Statice
Limonium sinuatum
Fleece
10 – 24 Apr
8-10 wk
19 Jun
5 wk after
Sweet William
Dianthus barbatus
6 – 20 Mar
6-8 wk
1 May
1 wk before
24 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
5 Jul
7 wk after
Dahlia
Dahlia × pinnata
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
3 – 31 May
4-8 wk
28 Jun
5 wk after
10 Jun
4 wk after
Foxglove
Digitalis purpurea
20 Feb – 6 Mar
8-10 wk
1 May
1 wk before
29 May
2 wk after
Busy lizzie
Impatiens walleriana
18 Apr – 16 May
8-12 wk
11 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
6 wk after
Chinese lantern
Physalis alkekengi
Fleece
26 Mar – 9 Apr
8-10 wk
4 Jun
3 wk after
Love in a mist
Nigella damascena
12 May
Vid frost
Strawflower
Xerochrysum bracteatum
Greenhouse
17 Apr – 1 May
6-8 wk
12 Jun
4 wk after
17 Jun
5 wk after
Tall verbena
Verbena bonariensis
Fleece
12 Mar – 9 Apr
8-12 wk
4 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
27 Mar – 24 Apr
8-12 wk
19 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Corn poppy
Papaver rhoeas
12 May
Vid frost
Snapdragon
Antirrhinum majus
14 Feb – 14 Mar
8-12 wk
9 May
1 wk before
24 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
10 – 24 Apr
8-10 wk
19 Jun
5 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Mar
5-8 wk
1 May
1 wk before
Stock
Matthiola incana
14 – 28 Mar
6-8 wk
9 May
1 wk before
29 May
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Mar
6-8 wk
1 May
1 wk before
29 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
8 – 22 May
4-6 wk
19 Jun
5 wk after
Pansy
Viola × wittrockiana
11 – 25 Feb
8-10 wk
22 Apr
2 wk before
24 May
1 wk after
Petunia
Petunia
Greenhouse
20 Mar – 17 Apr
8-12 wk
12 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
9 – 23 Apr
6-8 wk
4 Jun
3 wk after
10 Jun
4 wk after
Zinnia
Zinnia elegans
Fleece
8 – 22 May
4-6 wk
19 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
15 – 29 May
3-5 wk
19 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
8 – 22 May
4-6 wk
19 Jun
5 wk after
10 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 Apr – 1 May
8-12 wk
26 Jun
6 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
8-12 wk
16 May
Vid frost
10 Jun
4 wk after
Yarrow
Achillea millefolium
6 – 20 Mar
6-8 wk
1 May
1 wk before
29 May
2 wk after
Safflower
Carthamus tinctorius
1 May
1 wk before
12 May
Vid frost
Iceland poppy
Papaver nudicaule
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
8 May
Vid frost
Bishop's flower
Ammi majus
15 – 29 Apr
4-6 wk
27 May
1 wk after
29 May
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
27 Mar – 10 Apr
10-12 wk
19 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
15 – 22 May
3-4 wk
12 Jun
4 wk after
22 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
17 Apr – 1 May
6-8 wk
12 Jun
4 wk after
29 May
2 wk after
Annual phlox
Phlox drummondii
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
26 Jun
6 wk after
Hollyhock
Alcea rosea
6 – 20 Mar
6-8 wk
1 May
1 wk before
29 May
2 wk after
Delphinium
Delphinium elatum
10 Mar – 7 Apr
8-12 wk
2 Jun
3 wk after
10 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
20 Apr – 4 May
6-8 wk
15 Jun
5 wk after
26 Jun
6 wk after
Woodland sage
Salvia nemorosa
13 – 27 Mar
8-10 wk
22 May
1 wk after
10 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
10 Apr – 8 May
6-10 wk
19 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
12 May
Vid frost
Painted tongue
Salpiglossis sinuata
Fleece
10 – 24 Apr
8-10 wk
19 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Mar
6-8 wk
1 May
1 wk before
29 May
2 wk after
Current date Soon Date passed