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Method
Rel. frost
Last spring frost (0°C) 23 May Normal year · 20 years of data
Frost-free season 116 days 23 May – 16 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
Greenhouse
6 Mar – 3 Apr
4 Apr
8-12 wk
29 May
30 May
1 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
8 – 15 May
29 May
3-4 wk
5 Jun
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
1 – 8 May
2 Jun
4-5 wk
5 Jun
30 Jun
2 wk after
17 Jun
20 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 Jun
3-4 wk
1 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
27 May
0 wk
24 May
0 wk
Maize
Zea mays
Fleece
1 – 8 May
19 May
3-4 wk
29 May
9 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
27 Apr – 4 May
29 Jun
3-4 wk
25 May
20 Jul
0 wk
5 Jun
10 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
27 May – 3 Jun
3 Jun
3-4 wk
24 Jun
24 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 Apr – 4 May
18 May
3-4 wk
25 May
8 Jun
0 wk
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
18 May
2-4 wk
23 May
1 Jun
0 wk
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
27 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
3 – 17 Apr
28 Apr
6-8 wk
29 May
9 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
8 – 22 May
5 Jun
2-4 wk
5 Jun
19 Jun
2 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
24 Apr – 8 May
22 May
4-6 wk
5 Jun
19 Jun
2 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
20 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
9 Aug
0 wk
5 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
16 – 30 Mar
1 May
8-10 wk
25 May
26 Jun
0 wk
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
16 Feb – 16 Mar
31 Mar
10-14 wk
25 May
9 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
8 – 15 May
29 May
3-4 wk
5 Jun
19 Jun
2 wk after
Cornflower
Centaurea cyanus
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Statice
Limonium sinuatum
27 Mar – 10 Apr
20 Apr
8-10 wk
5 Jun
15 Jun
2 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
10 – 24 Apr
4 May
6-8 wk
5 Jun
15 Jun
2 wk after
29 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 Apr
8 May
6-8 wk
3 Jun
19 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
10 Apr – 8 May
2 Jun
4-8 wk
5 Jun
30 Jun
2 wk after
5 Jun
20 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
1 – 29 Apr
9 Jun
8-12 wk
24 Jun
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
10 – 24 Apr
14 May
6-8 wk
5 Jun
25 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
Chinese lantern
Physalis alkekengi
16 – 30 Mar
15 Apr
8-10 wk
25 May
10 Jun
0 wk
Love in a mist
Nigella damascena
23 May
26 Jun
0 wk
24 May
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
10 – 24 Apr
24 Apr
6-8 wk
5 Jun
5 Jun
2 wk after
29 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
2 – 30 Mar
15 Apr
8-12 wk
25 May
10 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
28 Feb – 28 Mar
17 Mar
8-12 wk
23 May
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
13 Mar – 10 Apr
14 Apr
8-12 wk
5 Jun
9 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
10 – 24 Apr
28 Apr
6-8 wk
5 Jun
9 Jun
2 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
15 – 29 Apr
30 Apr
8-10 wk
24 Jun
25 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
Fleece
24 Apr – 8 May
7 May
4-6 wk
5 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
13 Mar – 10 Apr
20 Apr
8-12 wk
5 Jun
15 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
30 Mar – 13 Apr
29 Apr
6-8 wk
25 May
10 Jun
0 wk
5 Jul
6 wk after
Common zinnia
Zinnia elegans
24 Apr – 8 May
22 May
4-6 wk
5 Jun
19 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
1 – 15 May
29 May
3-5 wk
5 Jun
19 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
24 Apr – 8 May
22 May
4-6 wk
5 Jun
19 Jun
2 wk after
5 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
1 – 29 Apr
14 May
8-12 wk
24 Jun
9 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
6 – 20 Mar
1 Apr
10-12 wk
29 May
10 Jun
1 wk after
Sunflower
Helianthus annuus
8 – 15 May
8 Jun
3-4 wk
5 Jun
29 Jun
2 wk after
17 Jun
19 Jun
4 wk after
China aster
Callistephus chinensis
10 – 24 Apr
28 May
6-8 wk
5 Jun
9 Jul
2 wk after
5 Jul
6 wk after
Annual phlox
Phlox drummondii
3 – 17 Apr
14 May
6-8 wk
29 May
25 Jun
1 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
10 – 24 Apr
14 May
6-8 wk
5 Jun
25 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
30 Mar – 13 Apr
18 May
6-8 wk
25 May
29 Jun
0 wk
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
27 Mar – 24 Apr
8 May
6-10 wk
5 Jun
19 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
23 May
11 Jul
0 wk
24 May
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
27 Mar – 10 Apr
21 Apr
8-10 wk
5 Jun
16 Jun
2 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