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-3.7°
Moderate frost tonight at 04:00. Frost temperatures between 22:00 – tomorrow 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 29 May Normal year · 20 years of data
Frost-free season 102 days 29 May – 8 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)
12 – 26 May
10 Jun
5-7 wk
30 Jun
15 Jul
5 wk after
30 May
5 Jul
Vid frost
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 May
22 Jun
4-6 wk
17 Jun
20 Jul
3 wk after
30 May
10 Jul
Vid frost
Chili pepper
Capsicum annuum
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
5 Jun
5-7 wk
16 May
10 Jul
2 wk before
29 May
30 Jun
Vid frost
Garden cucumber
Cucumis sativus
Greenhouse
4 – 11 Jun
3-4 wk
2 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 Jun
4-5 wk
9 Jul
6 wk after
23 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Mar – 3 Apr
8-12 wk
29 May
Vid frost
11 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
26 May
29 May
26 May
Maize
Zea mays
Greenhouse
28 May – 4 Jun
3-4 wk
25 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 Jun
25 Jun
3-4 wk
30 Jun
16 Jul
5 wk after
11 Jun
6 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
20 Jun
Vid frost
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
5 Jun
5-7 wk
16 May
10 Jul
2 wk before
29 May
30 Jun
Vid frost
Potato
Solanum tuberosum
Fleece
18 Apr – 2 May
12 May
4-6 wk
30 May
9 Jun
30 May
30 May
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
15 Jun
5-7 wk
16 May
20 Jul
2 wk before
30 May
10 Jul
Vid frost
Pumpkin
Cucurbita pepo
Fleece
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
20 – 27 May
3-4 wk
17 Jun
3 wk after
4 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 May
17 Jun
4-6 wk
17 Jun
15 Jul
3 wk after
Lettuce
Lactuca sativa
26 Apr – 3 May
4 Jul
3-4 wk
24 May
25 Jul
1 wk before
30 May
15 Jul
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
17 Jun
4-6 wk
24 May
15 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 May
11 May
2-4 wk
29 May
Vid frost
29 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
26 May
29 May
26 May
Spinach
Spinacia oleracea
21 – 28 Apr
19 Jul
3-4 wk
19 May
9 Aug
1 wk before
26 May
30 Jul
Vid frost
Sweet potato
Ipomoea batatas
23 Jun – 7 Jul
4-6 wk
4 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
30 Apr – 14 May
6-8 wk
25 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
4 – 18 Jun
5 Jun
2-4 wk
2 Jul
5 wk after
23 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 May
17 Jun
4-6 wk
17 Jun
15 Jul
3 wk after
Garden pea
Pisum sativum
21 – 28 Apr
19 Jun
3-4 wk
19 May
10 Jul
1 wk before
30 May
30 Jun
Vid frost

Herbs

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