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-2.3°
Last 24h: Slight frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 May Normal year · 20 years of data
Frost-free season 90 days 25 May – 23 Aug
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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
6 – 20 Apr
11 Jun
5-7 wk
25 May
16 Jul
0 wk
26 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Apr
23 Jun
4-6 wk
25 May
21 Jul
0 wk
26 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
13 Mar – 10 Apr
22 Mar
8-12 wk
5 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Apr
6 Jun
5-7 wk
25 May
11 Jul
0 wk
25 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
17 – 24 May
3-4 wk
14 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
10 – 17 May
17 May
4-5 wk
14 Jun
14 Jun
3 wk after
19 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
2 – 30 Mar
24 Mar
8-12 wk
25 May
0 wk
31 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 May
29 May
0 wk
26 May
0 wk
Maize
Zea mays
Fleece
8 – 15 May
3-4 wk
5 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
13 Jun
3-4 wk
31 May
4 Jul
1 wk after
7 Jun
24 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 May
1 Jul
0 wk
25 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Apr
6 Jun
5-7 wk
25 May
11 Jul
0 wk
25 May
1 Jul
0 wk
Potato
Solanum tuberosum
23 Apr – 7 May
14 May
4-6 wk
4 Jun
11 Jun
1 wk after
4 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Apr
16 Jun
5-7 wk
25 May
21 Jul
0 wk
26 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
17 – 24 May
12 Jun
3-4 wk
14 Jun
3 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 May
21 May
3-4 wk
31 May
11 Jun
1 wk after
7 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Apr
18 Jun
4-6 wk
25 May
16 Jul
0 wk
Lettuce
Lactuca sativa
27 Apr – 4 May
5 Jul
3-4 wk
25 May
26 Jul
0 wk
26 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
13 – 27 Apr
18 Jun
4-6 wk
25 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Apr – 11 May
21 May
2-4 wk
25 May
4 Jun
0 wk
25 May
25 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 May
29 May
0 wk
26 May
0 wk
Spinach
Spinacia oleracea
27 Apr – 4 May
20 Jul
3-4 wk
25 May
10 Aug
0 wk
22 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
19 Jun – 3 Jul
4-6 wk
31 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
10 – 24 Apr
15 Apr
6-8 wk
5 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
17 – 31 May
23 May
2-4 wk
14 Jun
3 wk after
7 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Apr
18 Jun
4-6 wk
25 May
16 Jul
0 wk
Garden pea
Pisum sativum
27 Apr – 4 May
20 Jun
3-4 wk
25 May
11 Jul
0 wk
26 May
1 Jul
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
3 wk after
Lemon balm
Melissa officinalis
16 – 30 Mar
16 May
8-10 wk
25 May
11 Jul
0 wk
19 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
26 May
4 Jul
0 wk
Wild chives
Allium schoenoprasum
30 Mar – 13 Apr
30 May
6-8 wk
25 May
11 Jul
0 wk
26 May
1 Jul
0 wk
Spearmint
Mentha spicata
2 – 30 Mar
16 May
8-12 wk
25 May
11 Jul
0 wk
19 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
25 May
24 Jul
0 wk
7 Jun
14 Jul
2 wk after
Garden sage
Salvia officinalis
22 Mar – 5 Apr
1 May
8-10 wk
31 May
26 Jun
1 wk after
Common thyme
Thymus vulgaris
16 – 30 Mar
6 May
8-10 wk
25 May
1 Jul
0 wk
Oregano
Origanum vulgare
30 Mar – 13 Apr
20 May
6-8 wk
25 May
1 Jul
0 wk
19 Jun
21 Jun
4 wk after
Parsley
Petroselinum crispum
30 Mar – 13 Apr
20 May
6-8 wk
25 May
1 Jul
0 wk
26 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
16 Feb – 16 Mar
24 Mar
10-14 wk
25 May
2 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
Fleece
17 – 24 May
28 May
3-4 wk
14 Jun
18 Jun
3 wk after
Cornflower
Centaurea cyanus
25 May
11 Jul
0 wk
26 May
1 Jul
0 wk
Statice
Limonium sinuatum
5 – 19 Apr
13 Apr
8-10 wk
14 Jun
3 wk after
Sweet William
Dianthus barbatus
30 Mar – 13 Apr
6-8 wk
25 May
0 wk
4 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
27 Apr
6-8 wk
14 Jun
3 wk after
31 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
14 – 28 Apr
6 May
6-8 wk
9 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
20 May
4-8 wk
19 Jun
4 wk after
19 Jun
4 wk after
Foxglove
Digitalis purpurea
16 – 30 Mar
8-10 wk
25 May
0 wk
7 Jun
2 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
8 Jun
8-12 wk
28 Jun
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
7 May
6-8 wk
14 Jun
18 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
3 wk after
Chinese lantern
Physalis alkekengi
22 Mar – 5 Apr
30 Mar
8-10 wk
31 May
1 wk after
Love in a mist
Nigella damascena
25 May
26 Jun
0 wk
26 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
19 Apr – 3 May
6-8 wk
14 Jun
3 wk after
31 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
8 Mar – 5 Apr
30 Mar
8-12 wk
31 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
6 Mar – 3 Apr
17 Mar
8-12 wk
29 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
22 Mar – 19 Apr
13 Apr
8-12 wk
14 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
19 Apr – 3 May
27 Apr
6-8 wk
14 Jun
3 wk after
Corn poppy
Papaver rhoeas
25 May
11 Jul
0 wk
26 May
1 Jul
0 wk
Snapdragon
Antirrhinum majus
2 – 30 Mar
6 May
8-12 wk
25 May
1 Jul
0 wk
4 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
5 – 19 Apr
6 May
8-10 wk
14 Jun
1 Jul
3 wk after
Sweet pea
Lathyrus odoratus
30 Mar – 20 Apr
27 May
5-8 wk
25 May
1 Jul
0 wk
Stock
Matthiola incana
30 Mar – 13 Apr
30 May
6-8 wk
25 May
11 Jul
0 wk
7 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
30 Mar – 13 Apr
30 Apr
6-8 wk
25 May
11 Jun
0 wk
7 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
3 – 17 May
6 May
4-6 wk
14 Jun
3 wk after
Garden pansy
Viola × wittrockiana
16 – 30 Mar
16 May
8-10 wk
25 May
11 Jul
0 wk
4 Jun
1 Jul
1 wk after
Petunia
Petunia
22 Mar – 19 Apr
13 Apr
8-12 wk
14 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 Apr
13 Apr
6-8 wk
31 May
1 wk after
7 Jul
6 wk after
Common zinnia
Zinnia elegans
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
10 – 24 May
28 May
3-5 wk
14 Jun
18 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
20 May
4-6 wk
14 Jun
17 Jun
3 wk after
7 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
5 Apr – 3 May
13 May
8-12 wk
28 Jun
8 Jul
5 wk after
Bee balm
Monarda didyma
2 – 30 Mar
16 Apr
8-12 wk
25 May
11 Jun
0 wk
19 Jun
4 wk after
Yarrow
Achillea millefolium
30 Mar – 13 Apr
31 Mar
6-8 wk
25 May
0 wk
7 Jun
2 wk after
Safflower
Carthamus tinctorius
25 May
11 Jun
0 wk
26 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
30 Mar – 13 Apr
20 May
6-8 wk
25 May
1 Jul
0 wk
9 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
13 – 27 Apr
3 Jun
4-6 wk
25 May
1 Jul
0 wk
7 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
22 Mar – 5 Apr
10-12 wk
14 Jun
3 wk after
Sunflower
Helianthus annuus
17 – 24 May
3-4 wk
14 Jun
3 wk after
19 Jun
4 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
1 May
6-8 wk
14 Jun
3 wk after
7 Jul
6 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
7 May
6-8 wk
5 Jun
18 Jun
2 wk after
7 Jul
6 wk after
Hollyhock
Alcea rosea
30 Mar – 13 Apr
6-8 wk
25 May
0 wk
7 Jun
2 wk after
Alpine delphinium
Delphinium elatum
2 – 30 Mar
16 Apr
8-12 wk
25 May
11 Jun
0 wk
19 Jun
4 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
7 May
6-8 wk
14 Jun
18 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
21 Apr
6-8 wk
31 May
2 Jun
1 wk after
7 Jul
6 wk after
Wood sage
Salvia nemorosa
16 – 30 Mar
6 Apr
8-10 wk
25 May
1 Jun
0 wk
19 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
5 Apr – 3 May
7 May
6-10 wk
14 Jun
18 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
25 May
2 Jul
0 wk
26 May
22 Jun
0 wk
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
8-10 wk
14 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
30 Mar – 13 Apr
30 Apr
6-8 wk
25 May
11 Jun
0 wk
7 Jun
2 wk after