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-3.1°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 May Normal year · 20 years of data
Frost-free season 94 days 26 May – 28 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)
7 – 21 Apr
10 Jun
5-7 wk
26 May
15 Jul
0 wk
27 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
22 Jun
4-6 wk
26 May
20 Jul
0 wk
27 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Apr
5 Jun
5-7 wk
26 May
10 Jul
0 wk
26 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
9 – 16 May
25 May
3-4 wk
6 Jun
15 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
21 May
4-5 wk
15 Jun
18 Jun
3 wk after
20 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
3 – 31 Mar
26 Mar
8-12 wk
26 May
0 wk
26 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
0 wk
27 May
0 wk
Maize
Zea mays
Greenhouse
2 – 9 May
15 May
3-4 wk
30 May
5 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
17 Jun
3-4 wk
1 Jun
8 Jul
1 wk after
8 Jun
28 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 May
30 Jun
0 wk
26 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Apr
5 Jun
5-7 wk
26 May
10 Jul
0 wk
26 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
15 – 29 Apr
13 May
4-6 wk
27 May
10 Jun
0 wk
27 May
31 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Apr
15 Jun
5-7 wk
26 May
20 Jul
0 wk
27 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
18 – 25 May
30 May
3-4 wk
15 Jun
20 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
8 May
3-4 wk
1 Jun
1 wk after
8 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
17 Jun
4-6 wk
26 May
15 Jul
0 wk
Lettuce
Lactuca sativa
28 Apr – 5 May
4 Jul
3-4 wk
26 May
25 Jul
0 wk
27 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Apr
17 Jun
4-6 wk
26 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Apr – 12 May
12 May
2-4 wk
26 May
26 May
0 wk
26 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 May
0 wk
27 May
0 wk
Spinach
Spinacia oleracea
28 Apr – 5 May
19 Jul
3-4 wk
26 May
9 Aug
0 wk
23 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Apr
24 Apr
6-8 wk
30 May
5 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
9 – 23 May
1 Jun
2-4 wk
6 Jun
15 Jun
2 wk after
20 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
17 Jun
4-6 wk
26 May
15 Jul
0 wk
Garden pea
Pisum sativum
28 Apr – 5 May
19 Jun
3-4 wk
26 May
10 Jul
0 wk
27 May
30 Jun
0 wk

Herbs

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