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-1.5°
Last 24h: Slight frost recorded tonight at 00:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 23 May Normal year · 20 years of data
Frost-free season 113 days 23 May – 13 Sep
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)
4 – 18 Apr
11 Jun
5-7 wk
23 May
16 Jul
0 wk
24 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 Apr
23 Jun
4-6 wk
23 May
21 Jul
0 wk
24 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
11 Mar – 8 Apr
27 Mar
8-12 wk
3 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
4 – 18 Apr
6 Jun
5-7 wk
23 May
11 Jul
0 wk
23 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
21 May
3-4 wk
12 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
8 – 15 May
1 Jun
4-5 wk
12 Jun
29 Jun
3 wk after
17 Jun
19 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
28 Feb – 28 Mar
24 Mar
8-12 wk
23 May
0 wk
29 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
28 May
0 wk
24 May
0 wk
Maize
Zea mays
Fleece
6 – 13 May
11 May
3-4 wk
3 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
28 Jun
3-4 wk
29 May
19 Jul
1 wk after
5 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
23 May
1 Jul
0 wk
23 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
4 – 18 Apr
6 Jun
5-7 wk
23 May
11 Jul
0 wk
23 May
1 Jul
0 wk
Potato
Solanum tuberosum
21 Apr – 5 May
13 May
4-6 wk
2 Jun
10 Jun
1 wk after
2 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 Apr
16 Jun
5-7 wk
23 May
21 Jul
0 wk
24 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
15 – 22 May
12 Jun
3-4 wk
12 Jun
3 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
19 May
3-4 wk
29 May
9 Jun
1 wk after
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Lettuce
Lactuca sativa
25 Apr – 2 May
5 Jul
3-4 wk
23 May
26 Jul
0 wk
24 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Apr – 9 May
19 May
2-4 wk
23 May
2 Jun
0 wk
23 May
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
28 May
0 wk
24 May
0 wk
Spinach
Spinacia oleracea
25 Apr – 2 May
20 Jul
3-4 wk
23 May
10 Aug
0 wk
20 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
8 – 22 Apr
20 Apr
6-8 wk
3 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
28 May
2-4 wk
12 Jun
3 wk after
5 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 Apr
18 Jun
4-6 wk
23 May
16 Jul
0 wk
Garden pea
Pisum sativum
25 Apr – 2 May
20 Jun
3-4 wk
23 May
11 Jul
0 wk
24 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
1 – 15 May
21 May
4-6 wk
12 Jun
18 Jun
3 wk after
Lemon balm
Melissa officinalis
14 – 28 Mar
16 May
8-10 wk
23 May
11 Jul
0 wk
17 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
24 May
19 Jul
0 wk
Wild chives
Allium schoenoprasum
28 Mar – 11 Apr
30 May
6-8 wk
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Spearmint
Mentha spicata
28 Feb – 28 Mar
16 May
8-12 wk
23 May
11 Jul
0 wk
17 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
23 May
8 Aug
0 wk
5 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
1 May
8-10 wk
29 May
26 Jun
1 wk after
Common thyme
Thymus vulgaris
14 – 28 Mar
6 May
8-10 wk
23 May
1 Jul
0 wk
Oregano
Origanum vulgare
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
17 Jun
21 Jun
4 wk after
Parsley
Petroselinum crispum
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
24 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
20 Feb – 20 Mar
20 Mar
10-14 wk
29 May
29 May
1 wk after

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
15 – 22 May
28 May
3-4 wk
12 Jun
18 Jun
3 wk after
Cornflower
Centaurea cyanus
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Statice
Limonium sinuatum
3 – 17 Apr
17 Apr
8-10 wk
12 Jun
12 Jun
3 wk after
Sweet William
Dianthus barbatus
28 Mar – 11 Apr
6-8 wk
23 May
0 wk
2 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
1 May
6-8 wk
12 Jun
12 Jun
3 wk after
29 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
10 Apr – 8 May
29 May
4-8 wk
5 Jun
26 Jun
2 wk after
5 Jun
16 Jun
2 wk after
Foxglove
Digitalis purpurea
14 – 28 Mar
8-10 wk
23 May
0 wk
5 Jun
2 wk after
Busy lizzie
Impatiens walleriana
3 Apr – 1 May
8 Jun
8-12 wk
26 Jun
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
11 May
6-8 wk
12 Jun
22 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
1 – 15 May
4-6 wk
12 Jun
3 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
14 Apr
8-10 wk
29 May
9 Jun
1 wk after
Love in a mist
Nigella damascena
23 May
26 Jun
0 wk
24 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
8 – 22 Apr
29 Apr
6-8 wk
3 Jun
10 Jun
2 wk after
12 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
14 Apr
8-12 wk
29 May
9 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
4 Mar – 1 Apr
17 Mar
8-12 wk
27 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
13 Apr
8-12 wk
12 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
27 Apr
6-8 wk
12 Jun
3 wk after
Corn poppy
Papaver rhoeas
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Snapdragon
Antirrhinum majus
28 Feb – 28 Mar
6 May
8-12 wk
23 May
1 Jul
0 wk
2 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
17 Apr – 1 May
27 Apr
8-10 wk
26 Jun
5 wk after
Sweet pea
Lathyrus odoratus
28 Mar – 18 Apr
27 May
5-8 wk
23 May
1 Jul
0 wk
Stock
Matthiola incana
28 Mar – 11 Apr
30 May
6-8 wk
23 May
11 Jul
0 wk
5 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
28 Mar – 11 Apr
30 Apr
6-8 wk
23 May
11 Jun
0 wk
5 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
22 Apr – 6 May
15 May
4-6 wk
3 Jun
12 Jun
2 wk after
Garden pansy
Viola × wittrockiana
14 – 28 Mar
16 May
8-10 wk
23 May
11 Jul
0 wk
2 Jun
1 Jul
1 wk after
Petunia
Petunia
20 Mar – 17 Apr
17 Apr
8-12 wk
12 Jun
12 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
28 Apr
6-8 wk
29 May
9 Jun
1 wk after
5 Jul
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
21 May
4-6 wk
12 Jun
18 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
28 May
3-5 wk
12 Jun
18 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
20 May
4-6 wk
12 Jun
17 Jun
3 wk after
5 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
3 Apr – 1 May
13 May
8-12 wk
26 Jun
8 Jul
5 wk after
Bee balm
Monarda didyma
28 Feb – 28 Mar
16 Apr
8-12 wk
23 May
11 Jun
0 wk
17 Jun
4 wk after
Yarrow
Achillea millefolium
28 Mar – 11 Apr
31 Mar
6-8 wk
23 May
0 wk
5 Jun
2 wk after
Safflower
Carthamus tinctorius
23 May
11 Jun
0 wk
24 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
28 Mar – 11 Apr
20 May
6-8 wk
23 May
1 Jul
0 wk
7 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
3 Jun
4-6 wk
23 May
1 Jul
0 wk
5 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
11 – 25 Mar
28 Mar
10-12 wk
3 Jun
6 Jun
2 wk after
Sunflower
Helianthus annuus
15 – 22 May
28 May
3-4 wk
12 Jun
18 Jun
3 wk after
17 Jun
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
17 May
6-8 wk
12 Jun
28 Jun
3 wk after
5 Jul
6 wk after
Annual phlox
Phlox drummondii
8 – 22 Apr
11 May
6-8 wk
3 Jun
22 Jun
2 wk after
5 Jul
6 wk after
Hollyhock
Alcea rosea
28 Mar – 11 Apr
6-8 wk
23 May
0 wk
5 Jun
2 wk after
Alpine delphinium
Delphinium elatum
28 Feb – 28 Mar
16 Apr
8-12 wk
23 May
11 Jun
0 wk
17 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
11 May
6-8 wk
12 Jun
22 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
7 May
6-8 wk
29 May
18 Jun
1 wk after
5 Jul
6 wk after
Wood sage
Salvia nemorosa
14 – 28 Mar
6 Apr
8-10 wk
23 May
1 Jun
0 wk
17 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
7 May
6-10 wk
12 Jun
18 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
15 Apr
8-10 wk
12 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
28 Mar – 11 Apr
30 Apr
6-8 wk
23 May
11 Jun
0 wk
5 Jun
2 wk after