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-3.0°
Slight frost tomorrow morning at 06:00. Frost temperatures between 21:00 – tomorrow 23:00. Bring in or cover sensitive plants
-0.8°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 13 May Frost 1 of 4 years · 20 years of data
Frost-free season 158 days 13 May – 18 Oct
Probability that frost is over

75% = 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
30 Mar – 13 Apr
5-7 wk
18 May
1 wk after
1 May
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
4-6 wk
30 May
3 wk after
9 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
27 Mar – 24 Apr
8-12 wk
19 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 Mar
5-7 wk
19 Apr
3 wk before
5 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
22 – 29 May
3-4 wk
19 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
15 – 22 May
4-5 wk
19 Jun
5 wk after
3 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 Jun
3-4 wk
1 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
18 Feb – 18 Mar
8-12 wk
13 May
Vid frost
26 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
26 May – 2 Jun
3-4 wk
23 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 May
3-4 wk
12 Jun
5 wk after
26 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
1 – 15 Mar
5-7 wk
19 Apr
3 wk before
5 May
Vid frost
Potato
Solanum tuberosum
19 May – 2 Jun
4-6 wk
30 Jun
7 wk after
21 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 Mar
5-7 wk
19 Apr
3 wk before
9 May
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
22 – 29 May
3-4 wk
19 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 May
3-4 wk
12 Jun
5 wk after
26 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
4-6 wk
30 May
3 wk after
Lettuce
Lactuca sativa
8 – 15 Apr
3-4 wk
6 May
1 wk before
9 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
4-6 wk
6 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
31 Mar – 14 Apr
2-4 wk
28 Apr
2 wk before
5 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 May
1 wk after
Spinach
Spinacia oleracea
31 Mar – 7 Apr
3-4 wk
28 Apr
2 wk before
30 Apr
1 wk before
Sweet potato
Ipomoea batatas
31 May – 14 Jun
4-6 wk
12 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
10 – 24 May
2-4 wk
7 Jun
4 wk after
3 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
4-6 wk
30 May
3 wk after
Pea
Pisum sativum
31 Mar – 7 Apr
3-4 wk
28 Apr
2 wk before
9 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
12 – 26 May
4-6 wk
23 Jun
6 wk after
Lemon balm
Melissa officinalis
4 – 18 Mar
8-10 wk
13 May
Vid frost
7 Jun
5 wk after
Dill
Anethum graveolens
9 May
1 wk after
Chives
Allium schoenoprasum
22 Feb – 8 Mar
6-8 wk
19 Apr
3 wk before
9 May
1 wk after
Spearmint
Mentha spicata
3 Feb – 3 Mar
8-12 wk
28 Apr
2 wk before
7 Jun
5 wk after
Coriander
Coriandrum sativum
26 May
3 wk after
Sage
Salvia officinalis
3 – 17 Apr
8-10 wk
12 Jun
5 wk after
Thyme
Thymus vulgaris
21 Mar – 4 Apr
8-10 wk
30 May
3 wk after
Oregano
Origanum vulgare
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
7 Jun
5 wk after
Parsley
Petroselinum crispum
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
9 May
1 wk after
Rosemary
Salvia rosmarinus
Fleece
23 Feb – 23 Mar
10-14 wk
1 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
31 May – 7 Jun
3-4 wk
28 Jun
7 wk after
Cornflower
Centaurea cyanus
28 Apr
2 wk before
9 May
1 wk after
Statice
Limonium sinuatum
Greenhouse
29 Mar – 12 Apr
8-10 wk
7 Jun
4 wk after
Sweet William
Dianthus barbatus
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
21 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
23 Jun
6 wk after
Dahlia
Dahlia × pinnata
Fleece
19 Apr – 3 May
6-8 wk
14 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
30 Apr – 28 May
4-8 wk
25 Jun
6 wk after
7 Jun
5 wk after
Foxglove
Digitalis purpurea
17 Feb – 3 Mar
8-10 wk
28 Apr
2 wk before
26 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
5 Apr – 3 May
8-12 wk
28 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
17 – 31 May
4-6 wk
28 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
23 Mar – 6 Apr
8-10 wk
1 Jun
3 wk after
Love in a mist
Nigella damascena
9 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
23 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
9 Mar – 6 Apr
8-12 wk
1 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
15 Mar – 12 Apr
8-12 wk
7 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
Season too short
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Corn poppy
Papaver rhoeas
9 May
1 wk after
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
8-12 wk
6 May
1 wk before
21 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
10 – 24 Apr
8-10 wk
19 Jun
5 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Mar
5-8 wk
28 Apr
2 wk before
Stock
Matthiola incana
11 – 25 Mar
6-8 wk
6 May
1 wk before
26 May
3 wk after
Wormwood
Artemisia absinthium
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
26 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
8 – 22 May
4-6 wk
19 Jun
5 wk after
Pansy
Viola × wittrockiana
8 – 22 Feb
8-10 wk
19 Apr
3 wk before
21 May
2 wk after
Petunia
Petunia
Greenhouse
15 Mar – 12 Apr
8-12 wk
7 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
6 – 20 Apr
6-8 wk
1 Jun
3 wk after
17 Jun
5 wk after
Zinnia
Zinnia elegans
Greenhouse
26 Apr – 10 May
4-6 wk
7 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
15 – 29 May
3-5 wk
19 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
26 Apr – 10 May
4-6 wk
7 Jun
4 wk after
3 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
7 wk after
Bee balm
Monarda didyma
18 Feb – 18 Mar
8-12 wk
13 May
Vid frost
7 Jun
5 wk after
Yarrow
Achillea millefolium
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
26 May
3 wk after
Safflower
Carthamus tinctorius
28 Apr
2 wk before
9 May
1 wk after
Iceland poppy
Papaver nudicaule
22 Feb – 8 Mar
6-8 wk
19 Apr
3 wk before
5 May
Vid frost
Bishop's flower
Ammi majus
12 – 26 Apr
4-6 wk
24 May
1 wk after
26 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
27 Mar – 10 Apr
10-12 wk
19 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
10 – 17 May
3-4 wk
7 Jun
4 wk after
23 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
3 Jun
3 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
6-8 wk
18 Jun
5 wk after
23 Jun
7 wk after
Hollyhock
Alcea rosea
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
26 May
3 wk after
Delphinium
Delphinium elatum
7 Mar – 4 Apr
8-12 wk
30 May
3 wk after
7 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
17 Apr – 1 May
6-8 wk
12 Jun
5 wk after
23 Jun
7 wk after
Woodland sage
Salvia nemorosa
10 – 24 Mar
8-10 wk
19 May
1 wk after
7 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
10 Apr – 8 May
6-10 wk
19 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
9 May
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
29 Mar – 12 Apr
8-10 wk
7 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Mar
6-8 wk
28 Apr
2 wk before
26 May
3 wk after
Current date Soon Date passed