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-2.5°
Slight frost tonight at 01:00. Frost temperatures between 19:00 – tomorrow 07:00. Bring in or cover sensitive plants
0.3°
Last 24h: Near frost recorded this morning at 09:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 May Frost 1 of 4 years · 20 years of data
Frost-free season 134 days 25 May – 6 Oct
Probability that frost is over

75% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

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