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0.3°
Near frost tonight at 05:00. Bring in or cover sensitive plants
0.6°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 May Normal year · 20 years of data
Frost-free season 161 days 7 May – 15 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)
Greenhouse
24 Mar – 7 Apr
5-7 wk
12 May
1 wk after
25 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
11 May
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
21 Mar – 18 Apr
8-12 wk
13 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
3 wk before
7 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
16 – 23 May
3-4 wk
13 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
9 – 16 May
4-5 wk
13 Jun
5 wk after
28 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
8-12 wk
7 May
Vid frost
28 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 May
3 wk after
28 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
20 – 27 May
3-4 wk
17 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
3-4 wk
8 Jun
5 wk after
28 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
3 wk before
7 May
Vid frost
Potato
Solanum tuberosum
11 – 25 Apr
4-6 wk
23 May
2 wk after
23 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Feb – 14 Mar
5-7 wk
18 Apr
3 wk before
11 May
1 wk after
Pumpkin
Cucurbita pepo
Fleece
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
3-4 wk
8 Jun
5 wk after
28 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
Lettuce
Lactuca sativa
3 – 10 Apr
3-4 wk
1 May
1 wk before
11 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Mar – 3 Apr
4-6 wk
1 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
2-4 wk
7 May
Vid frost
7 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 May
1 wk after
11 May
1 wk after
Spinach
Spinacia oleracea
27 Mar – 3 Apr
3-4 wk
24 Apr
2 wk before
3 May
1 wk before
Sweet potato
Ipomoea batatas
8 – 22 Jun
4-6 wk
20 Jul
11 wk after
Tomato
Solanum lycopersicum
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
16 – 30 May
2-4 wk
13 Jun
5 wk after
11 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
4-6 wk
26 May
3 wk after
Pea
Pisum sativum
27 Mar – 3 Apr
3-4 wk
24 Apr
2 wk before
11 May
1 wk after
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
6 wk after
Lemon balm
Melissa officinalis
26 Feb – 12 Mar
8-10 wk
7 May
Vid frost
11 Jun
5 wk after
Dill
Anethum graveolens
11 May
1 wk after
Chives
Allium schoenoprasum
21 Feb – 7 Mar
6-8 wk
18 Apr
3 wk before
11 May
1 wk after
Spearmint
Mentha spicata
30 Jan – 27 Feb
8-12 wk
24 Apr
2 wk before
11 Jun
5 wk after
Coriander
Coriandrum sativum
28 May
3 wk after
Sage
Salvia officinalis
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Thyme
Thymus vulgaris
17 – 31 Mar
8-10 wk
26 May
3 wk after
Oregano
Origanum vulgare
17 – 31 Mar
6-8 wk
12 May
1 wk after
11 Jun
5 wk after
Parsley
Petroselinum crispum
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
11 May
1 wk after
Rosemary
Salvia rosmarinus
Fleece
17 Feb – 17 Mar
10-14 wk
26 May
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
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Cornflower
Centaurea cyanus
24 Apr
2 wk before
11 May
1 wk after
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
8-10 wk
13 Jun
5 wk after
Sweet William
Dianthus barbatus
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
23 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
5 Jul
8 wk after
Dahlia
Dahlia × pinnata
Fleece
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
4-8 wk
11 Jun
5 wk after
11 Jun
5 wk after
Foxglove
Digitalis purpurea
13 – 27 Feb
8-10 wk
24 Apr
2 wk before
28 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
17 – 31 Mar
8-10 wk
26 May
3 wk after
Love in a mist
Nigella damascena
11 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
17 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
3 – 31 Mar
8-12 wk
26 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Corn poppy
Papaver rhoeas
11 May
1 wk after
Snapdragon
Antirrhinum majus
6 Feb – 6 Mar
8-12 wk
1 May
1 wk before
23 May
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
4 – 18 Apr
8-10 wk
13 Jun
5 wk after
Sweet pea
Lathyrus odoratus
27 Feb – 20 Mar
5-8 wk
24 Apr
2 wk before
Stock
Matthiola incana
6 – 20 Mar
6-8 wk
1 May
1 wk before
28 May
3 wk after
Wormwood
Artemisia absinthium
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
28 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
2 – 16 May
4-6 wk
13 Jun
5 wk after
Pansy
Viola × wittrockiana
7 – 21 Feb
8-10 wk
18 Apr
3 wk before
23 May
2 wk after
Petunia
Petunia
Greenhouse
9 Mar – 6 Apr
8-12 wk
1 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
31 Mar – 14 Apr
6-8 wk
26 May
3 wk after
11 Jun
5 wk after
Zinnia
Zinnia elegans
Fleece
2 – 16 May
4-6 wk
13 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
9 – 23 May
3-5 wk
13 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
2 – 16 May
4-6 wk
13 Jun
5 wk after
11 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
7 wk after
Bee balm
Monarda didyma
12 Feb – 12 Mar
8-12 wk
7 May
Vid frost
11 Jun
5 wk after
Yarrow
Achillea millefolium
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
28 May
3 wk after
Safflower
Carthamus tinctorius
24 Apr
2 wk before
11 May
1 wk after
Iceland poppy
Papaver nudicaule
21 Feb – 7 Mar
6-8 wk
18 Apr
3 wk before
7 May
Vid frost
Bishop's flower
Ammi majus
5 – 19 Apr
4-6 wk
17 May
1 wk after
28 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
21 Mar – 4 Apr
10-12 wk
13 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
4 – 11 May
3-4 wk
1 Jun
4 wk after
17 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
28 May
3 wk after
Annual phlox
Phlox drummondii
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
25 Jun
7 wk after
Hollyhock
Alcea rosea
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
28 May
3 wk after
Delphinium
Delphinium elatum
3 – 31 Mar
8-12 wk
26 May
3 wk after
11 Jun
5 wk after
African marigold
Tagetes erecta
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
25 Jun
7 wk after
Woodland sage
Salvia nemorosa
3 – 17 Mar
8-10 wk
12 May
1 wk after
11 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
4 Apr – 2 May
6-10 wk
13 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
11 May
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
4 – 18 Apr
8-10 wk
13 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
27 Feb – 13 Mar
6-8 wk
24 Apr
2 wk before
28 May
3 wk after
Current date Soon Date passed