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-3.7°
Moderate frost tomorrow morning at 07:00. Frost temperatures between tomorrow 00:00 – 10:00. Bring in or cover sensitive plants
0.6°
Last 24h: Near frost recorded this morning at 08:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 21 May Frost 1 of 10 years · 20 years of data
Frost-free season 153 days 21 May – 21 Oct
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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