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-3.4°
Slight frost tomorrow morning at 06:00. Frost temperatures between 23:00 – tomorrow 10:00. Bring in or cover sensitive plants
-0.9°
Last 24h: Slight frost recorded this morning at 08:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 24 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 144 days 24 Apr – 15 Sep
Probability that frost is over

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