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0.8°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-1.2°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 Apr Frost 1 of 10 years · 20 years of data
Frost-free season 215 days 27 Apr – 28 Nov
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)
8 – 22 Apr
5-7 wk
27 May
5 wk after
23 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 Apr
4-6 wk
14 May
3 wk after
23 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Feb
5-7 wk
3 Apr
4 wk before
19 Apr
2 wk before
Cucumber
Cucumis sativus
25 May – 1 Jun
3-4 wk
22 Jun
10 wk after
Florence Fennel
Foeniculum vulgare
Fleece
18 – 25 May
4-5 wk
22 Jun
8 wk after
23 May
4 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 May
3-4 wk
7 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
2 Feb – 2 Mar
8-12 wk
27 Apr
Vid frost
10 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
14 Apr
2 wk before
Sweetcorn
Zea mays
Season too short
2 – 9 May
3-4 wk
30 May
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
29 Apr – 6 May
3-4 wk
27 May
5 wk after
10 May
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Feb
5-7 wk
3 Apr
4 wk before
19 Apr
2 wk before
Potato
Solanum tuberosum
Season too short
24 Feb – 10 Mar
4-6 wk
7 Apr
3 wk before
7 Apr
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Feb
5-7 wk
3 Apr
4 wk before
23 Apr
1 wk before
Pumpkin
Cucurbita pepo
25 May – 1 Jun
3-4 wk
22 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
29 Apr – 6 May
3-4 wk
27 May
5 wk after
10 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 Apr
4-6 wk
14 May
3 wk after
Lettuce
Lactuca sativa
23 – 30 Mar
3-4 wk
20 Apr
1 wk before
23 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
9 – 23 Mar
4-6 wk
20 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
12 – 26 Feb
2-4 wk
12 Mar
7 wk before
12 Mar
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
24 Mar
5 wk before
Spinach
Spinacia oleracea
15 – 22 Mar
3-4 wk
12 Apr
3 wk before
14 Apr
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 May
4-6 wk
26 Jun
11 wk after
Tomato
Solanum lycopersicum
19 Apr – 3 May
6-8 wk
14 Jun
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
17 – 31 May
2-4 wk
14 Jun
8 wk after
7 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 Apr
4-6 wk
14 May
3 wk after
Pea
Pisum sativum
15 – 22 Mar
3-4 wk
12 Apr
3 wk before
23 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
18 Apr – 2 May
4-6 wk
30 May
5 wk after
Lemon balm
Melissa officinalis
16 Feb – 2 Mar
8-10 wk
27 Apr
Vid frost
22 May
4 wk after
Dill
Anethum graveolens
23 Apr
1 wk before
Chives
Allium schoenoprasum
6 – 20 Feb
6-8 wk
3 Apr
4 wk before
23 Apr
1 wk before
Spearmint
Mentha spicata
18 Jan – 15 Feb
8-12 wk
12 Apr
3 wk before
22 May
4 wk after
Coriander
Coriandrum sativum
10 May
2 wk after
Sage
Salvia officinalis
18 Mar – 1 Apr
8-10 wk
27 May
5 wk after
Thyme
Thymus vulgaris
5 – 19 Mar
8-10 wk
14 May
3 wk after
Oregano
Origanum vulgare
8 – 22 Mar
6-8 wk
3 May
1 wk after
22 May
4 wk after
Parsley
Petroselinum crispum
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
23 Apr
1 wk before
Rosemary
Salvia rosmarinus
18 Feb – 18 Mar
10-14 wk
27 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
25 May – 1 Jun
3-4 wk
22 Jun
8 wk after
Cornflower
Centaurea cyanus
12 Apr
3 wk before
23 Apr
1 wk before
Statice
Limonium sinuatum
5 – 19 Apr
8-10 wk
14 Jun
8 wk after
Sweet William
Dianthus barbatus
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
5 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
6-8 wk
14 Jun
8 wk after
7 Jul
11 wk after
Dahlia
Dahlia × pinnata
14 – 28 Apr
6-8 wk
9 Jun
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
1 – 29 Mar
4-8 wk
26 Apr
26 Apr
Foxglove
Digitalis purpurea
1 – 15 Feb
8-10 wk
12 Apr
3 wk before
10 May
2 wk after
Busy lizzie
Impatiens walleriana
30 Mar – 27 Apr
8-12 wk
22 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
6-8 wk
14 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
8 wk after
Chinese lantern
Physalis alkekengi
18 Mar – 1 Apr
8-10 wk
27 May
5 wk after
Love in a mist
Nigella damascena
23 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
19 Apr – 3 May
6-8 wk
14 Jun
8 wk after
7 Jul
11 wk after
Tall verbena
Verbena bonariensis
4 Mar – 1 Apr
8-12 wk
27 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
28 Feb – 28 Mar
8-12 wk
23 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
8 wk after
Corn poppy
Papaver rhoeas
23 Apr
1 wk before
Snapdragon
Antirrhinum majus
26 Jan – 23 Feb
8-12 wk
20 Apr
1 wk before
5 May
1 wk after
Flossflower
Ageratum houstonianum
Fleece
13 – 27 Apr
8-10 wk
22 Jun
8 wk after
Sweet pea
Lathyrus odoratus
15 Feb – 8 Mar
5-8 wk
12 Apr
3 wk before
Stock
Matthiola incana
23 Feb – 9 Mar
6-8 wk
20 Apr
1 wk before
10 May
2 wk after
Wormwood
Artemisia absinthium
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
10 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
11 – 25 May
4-6 wk
22 Jun
8 wk after
Pansy
Viola × wittrockiana
23 Jan – 6 Feb
8-10 wk
3 Apr
4 wk before
5 May
1 wk after
Petunia
Petunia
22 Mar – 19 Apr
8-12 wk
14 Jun
8 wk after
Scabious
Scabiosa atropurpurea
1 – 15 Apr
6-8 wk
27 May
5 wk after
7 Jun
6 wk after
Zinnia
Zinnia elegans
3 – 17 May
4-6 wk
14 Jun
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
18 May – 1 Jun
3-5 wk
22 Jun
8 wk after
Cosmos
Cosmos bipinnatus
3 – 17 May
4-6 wk
14 Jun
8 wk after
7 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
10 Apr – 8 May
8-12 wk
3 Jul
10 wk after
Bee balm
Monarda didyma
2 Feb – 2 Mar
8-12 wk
27 Apr
Vid frost
22 May
4 wk after
Yarrow
Achillea millefolium
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
10 May
2 wk after
Safflower
Carthamus tinctorius
12 Apr
3 wk before
23 Apr
1 wk before
Iceland poppy
Papaver nudicaule
6 – 20 Feb
6-8 wk
3 Apr
4 wk before
19 Apr
2 wk before
Bishop's flower
Ammi majus
27 Mar – 10 Apr
4-6 wk
8 May
2 wk after
10 May
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
15 – 29 Mar
10-12 wk
7 Jun
6 wk after
Sunflower
Helianthus annuus
17 – 24 May
3-4 wk
14 Jun
8 wk after
22 May
4 wk after
China aster
Callistephus chinensis
Fleece
12 – 26 Apr
6-8 wk
7 Jun
6 wk after
23 May
4 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
6-8 wk
2 Jun
6 wk after
7 Jun
6 wk after
Hollyhock
Alcea rosea
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
10 May
2 wk after
Delphinium
Delphinium elatum
19 Feb – 19 Mar
8-12 wk
14 May
3 wk after
22 May
4 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
6-8 wk
14 Jun
8 wk after
Black-eyed Susan
Rudbeckia hirta
1 – 15 Apr
6-8 wk
27 May
5 wk after
7 Jun
6 wk after
Woodland sage
Salvia nemorosa
22 Feb – 8 Mar
8-10 wk
3 May
1 wk after
22 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
13 Apr – 11 May
6-10 wk
22 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
23 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
8-10 wk
14 Jun
8 wk after
Water forget-me-not
Myosotis scorpioides
15 Feb – 1 Mar
6-8 wk
12 Apr
3 wk before
10 May
2 wk after
Current date Soon Date passed