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-3.0°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 01:00 – 09:00. Bring in or cover sensitive plants
0.5°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 19 May Frost 1 of 10 years · 20 years of data
Frost-free season 154 days 19 May – 20 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
6 – 20 Apr
5-7 wk
25 May
1 wk after
20 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
15 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
31 Mar – 28 Apr
8-12 wk
23 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Mar
5-7 wk
25 Apr
4 wk before
11 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
26 May – 2 Jun
3-4 wk
23 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
19 – 26 May
4-5 wk
23 Jun
5 wk after
29 May
1 wk after
Butter bean
Phaseolus lunatus
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
8-12 wk
19 May
Vid frost
1 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 Jun
1 wk after
Sweetcorn
Zea mays
Greenhouse
19 – 26 May
3-4 wk
16 Jun
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 May
3-4 wk
18 Jun
4 wk after
1 Jun
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Mar
5-7 wk
25 Apr
4 wk before
11 May
2 wk before
Potato
Solanum tuberosum
25 May – 8 Jun
4-6 wk
6 Jul
7 wk after
27 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Mar
5-7 wk
25 Apr
4 wk before
15 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
7 – 14 Jun
3-4 wk
5 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 May
3-4 wk
18 Jun
4 wk after
1 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
Lettuce
Lactuca sativa
14 – 21 Apr
3-4 wk
12 May
1 wk before
15 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
4-6 wk
12 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 Apr
2-4 wk
4 May
2 wk before
11 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 May
1 wk before
Spinach
Spinacia oleracea
6 – 13 Apr
3-4 wk
4 May
2 wk before
6 May
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
26 May – 9 Jun
2-4 wk
23 Jun
5 wk after
9 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
Pea
Pisum sativum
6 – 13 Apr
3-4 wk
4 May
2 wk before
15 May
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
Greenhouse
5 – 19 May
4-6 wk
16 Jun
4 wk after
Lemon balm
Melissa officinalis
10 – 24 Mar
8-10 wk
19 May
Vid frost
13 Jun
3 wk after
Dill
Anethum graveolens
15 May
1 wk before
Chives
Allium schoenoprasum
28 Feb – 14 Mar
6-8 wk
25 Apr
4 wk before
15 May
1 wk before
Spearmint
Mentha spicata
9 Feb – 9 Mar
8-12 wk
4 May
2 wk before
13 Jun
3 wk after
Coriander
Coriandrum sativum
1 Jun
1 wk after
Sage
Salvia officinalis
9 – 23 Apr
8-10 wk
18 Jun
4 wk after
Thyme
Thymus vulgaris
27 Mar – 10 Apr
8-10 wk
5 Jun
2 wk after
Oregano
Origanum vulgare
30 Mar – 13 Apr
6-8 wk
25 May
1 wk after
13 Jun
3 wk after
Parsley
Petroselinum crispum
9 – 23 Mar
6-8 wk
4 May
2 wk before
15 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
24 Feb – 24 Mar
10-14 wk
2 Jun
2 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
7 – 14 Jun
3-4 wk
5 Jul
7 wk after
Cornflower
Centaurea cyanus
4 May
2 wk before
15 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
1 – 15 Apr
8-10 wk
10 Jun
3 wk after
Sweet William
Dianthus barbatus
9 – 23 Mar
6-8 wk
4 May
2 wk before
27 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
16 Jun
4 wk after
Dahlia
Dahlia × pinnata
Fleece
22 Apr – 6 May
6-8 wk
17 Jun
4 wk after
Dahlia (tubers)
Dahlia × pinnata
6 May – 3 Jun
4-8 wk
1 Jul
6 wk after
13 Jun
3 wk after
Foxglove
Digitalis purpurea
23 Feb – 9 Mar
8-10 wk
4 May
2 wk before
1 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
12 Apr – 10 May
8-12 wk
5 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
28 Apr – 12 May
6-8 wk
23 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
24 May – 7 Jun
4-6 wk
5 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
24 Mar – 7 Apr
8-10 wk
2 Jun
2 wk after
Love in a mist
Nigella damascena
15 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
16 Jun
4 wk after
Tall verbena
Verbena bonariensis
Fleece
10 Mar – 7 Apr
8-12 wk
2 Jun
2 wk after
Cardoon
Cynara cardunculus
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
31 Mar – 28 Apr
8-12 wk
23 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
28 Apr – 12 May
6-8 wk
23 Jun
5 wk after
Corn poppy
Papaver rhoeas
15 May
1 wk before
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
8-12 wk
12 May
1 wk before
27 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
14 – 28 Apr
8-10 wk
23 Jun
5 wk after
Sweet pea
Lathyrus odoratus
9 – 30 Mar
5-8 wk
4 May
2 wk before
Stock
Matthiola incana
17 – 31 Mar
6-8 wk
12 May
1 wk before
1 Jun
1 wk after
Wormwood
Artemisia absinthium
9 – 23 Mar
6-8 wk
4 May
2 wk before
1 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
12 – 26 May
4-6 wk
23 Jun
5 wk after
Pansy
Viola × wittrockiana
14 – 28 Feb
8-10 wk
25 Apr
4 wk before
27 May
1 wk after
Petunia
Petunia
Greenhouse
18 Mar – 15 Apr
8-12 wk
10 Jun
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
7 – 21 Apr
6-8 wk
2 Jun
2 wk after
9 Jun
3 wk after
Zinnia
Zinnia elegans
Greenhouse
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Season too short
19 May – 2 Jun
3-5 wk
23 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
29 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
12 Apr – 10 May
8-12 wk
5 Jul
7 wk after
Bee balm
Monarda didyma
24 Feb – 24 Mar
8-12 wk
19 May
Vid frost
13 Jun
3 wk after
Yarrow
Achillea millefolium
9 – 23 Mar
6-8 wk
4 May
2 wk before
1 Jun
1 wk after
Safflower
Carthamus tinctorius
4 May
2 wk before
15 May
1 wk before
Iceland poppy
Papaver nudicaule
28 Feb – 14 Mar
6-8 wk
25 Apr
4 wk before
11 May
2 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
4-6 wk
30 May
1 wk after
1 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
31 Mar – 14 Apr
10-12 wk
23 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
13 – 20 May
3-4 wk
10 Jun
3 wk after
18 May
China aster
Callistephus chinensis
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
29 May
1 wk after
Annual phlox
Phlox drummondii
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
29 Jun
5 wk after
Hollyhock
Alcea rosea
9 – 23 Mar
6-8 wk
4 May
2 wk before
1 Jun
1 wk after
Delphinium
Delphinium elatum
13 Mar – 10 Apr
8-12 wk
5 Jun
2 wk after
13 Jun
3 wk after
African marigold
Tagetes erecta
Greenhouse
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
29 Jun
5 wk after
Woodland sage
Salvia nemorosa
16 – 30 Mar
8-10 wk
25 May
1 wk after
13 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
14 Apr – 12 May
6-10 wk
23 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
15 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
1 – 15 Apr
8-10 wk
10 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
9 – 23 Mar
6-8 wk
4 May
2 wk before
1 Jun
1 wk after
Current date Soon Date passed