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Method
Rel. frost
Last spring frost (0°C) 26 May Normal year · 20 years of data
Frost-free season 107 days 26 May – 10 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)
7 – 21 Apr
13 Jun
5-7 wk
26 May
18 Jul
0 wk
27 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
25 Jun
4-6 wk
26 May
23 Jul
0 wk
27 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
14 Mar – 11 Apr
26 Mar
8-12 wk
6 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Apr
8 Jun
5-7 wk
26 May
13 Jul
0 wk
26 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
18 – 25 May
20 May
3-4 wk
15 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
1 Jun
4-5 wk
15 Jun
29 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)
3 – 31 Mar
18 Mar
8-12 wk
26 May
0 wk
8 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
2 Jun
0 wk
27 May
0 wk
Maize
Zea mays
Fleece
9 – 16 May
10 May
3-4 wk
6 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
28 Jun
3-4 wk
1 Jun
19 Jul
1 wk after
8 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 May
3 Jul
0 wk
26 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Apr
8 Jun
5-7 wk
26 May
13 Jul
0 wk
26 May
3 Jul
0 wk
Potato
Solanum tuberosum
24 Apr – 8 May
14 May
4-6 wk
5 Jun
11 Jun
1 wk after
5 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Apr
18 Jun
5-7 wk
26 May
23 Jul
0 wk
27 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
18 – 25 May
15 Jun
3-4 wk
15 Jun
6 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
18 May
3-4 wk
1 Jun
8 Jun
1 wk after
8 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
20 Jun
4-6 wk
26 May
18 Jul
0 wk
Lettuce
Lactuca sativa
28 Apr – 5 May
7 Jul
3-4 wk
26 May
28 Jul
0 wk
27 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Apr
20 Jun
4-6 wk
26 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Apr – 12 May
21 May
2-4 wk
26 May
4 Jun
0 wk
26 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 May
2 Jun
0 wk
27 May
0 wk
Spinach
Spinacia oleracea
28 Apr – 5 May
22 Jul
3-4 wk
26 May
12 Aug
0 wk
23 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
11 – 25 Apr
19 Apr
6-8 wk
6 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
18 May – 1 Jun
27 May
2-4 wk
15 Jun
3 wk after
8 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
20 Jun
4-6 wk
26 May
18 Jul
0 wk
Garden pea
Pisum sativum
28 Apr – 5 May
22 Jun
3-4 wk
26 May
13 Jul
0 wk
27 May
3 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
4 – 18 May
24 May
4-6 wk
15 Jun
21 Jun
3 wk after
Lemon balm
Melissa officinalis
17 – 31 Mar
18 May
8-10 wk
26 May
13 Jul
0 wk
20 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
27 May
19 Jul
0 wk
Wild chives
Allium schoenoprasum
31 Mar – 14 Apr
1 Jun
6-8 wk
26 May
13 Jul
0 wk
27 May
3 Jul
0 wk
Spearmint
Mentha spicata
3 – 31 Mar
18 May
8-12 wk
26 May
13 Jul
0 wk
20 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
26 May
8 Aug
0 wk
8 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
3 May
8-10 wk
1 Jun
28 Jun
1 wk after
Common thyme
Thymus vulgaris
17 – 31 Mar
8 May
8-10 wk
26 May
3 Jul
0 wk
Oregano
Origanum vulgare
31 Mar – 14 Apr
22 May
6-8 wk
26 May
3 Jul
0 wk
20 Jun
23 Jun
4 wk after
Parsley
Petroselinum crispum
31 Mar – 14 Apr
22 May
6-8 wk
26 May
3 Jul
0 wk
27 May
23 Jun
0 wk
Rosemary
Salvia rosmarinus
23 Feb – 23 Mar
30 Mar
10-14 wk
1 Jun
8 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
Fleece
18 – 25 May
31 May
3-4 wk
15 Jun
21 Jun
3 wk after
Cornflower
Centaurea cyanus
26 May
13 Jul
0 wk
27 May
3 Jul
0 wk
Statice
Limonium sinuatum
6 – 20 Apr
16 Apr
8-10 wk
15 Jun
3 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
20 Apr – 4 May
30 Apr
6-8 wk
15 Jun
3 wk after
1 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
15 – 29 Apr
6 May
6-8 wk
10 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
25 Apr – 23 May
20 May
4-8 wk
20 Jun
4 wk after
20 Jun
4 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
11 Jun
8-12 wk
29 Jun
6 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
20 Apr – 4 May
10 May
6-8 wk
15 Jun
21 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
14 Apr
8-10 wk
1 Jun
9 Jun
1 wk after
Love in a mist
Nigella damascena
26 May
28 Jun
0 wk
27 May
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
11 – 25 Apr
1 May
6-8 wk
6 Jun
12 Jun
2 wk after
15 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
9 Mar – 6 Apr
14 Apr
8-12 wk
1 Jun
9 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
14 Mar – 11 Apr
19 Mar
8-12 wk
6 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
23 Mar – 20 Apr
16 Apr
8-12 wk
15 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
20 Apr – 4 May
30 Apr
6-8 wk
15 Jun
3 wk after
Corn poppy
Papaver rhoeas
26 May
13 Jul
0 wk
27 May
3 Jul
0 wk
Snapdragon
Antirrhinum majus
3 – 31 Mar
8 May
8-12 wk
26 May
3 Jul
0 wk
5 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 Apr
7 May
8-10 wk
15 Jun
2 Jul
3 wk after
Sweet pea
Lathyrus odoratus
31 Mar – 21 Apr
29 May
5-8 wk
26 May
3 Jul
0 wk
Stock
Matthiola incana
31 Mar – 14 Apr
1 Jun
6-8 wk
26 May
13 Jul
0 wk
8 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
31 Mar – 14 Apr
2 May
6-8 wk
26 May
13 Jun
0 wk
8 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
4 – 18 May
9 May
4-6 wk
15 Jun
3 wk after
Garden pansy
Viola × wittrockiana
17 – 31 Mar
18 May
8-10 wk
26 May
13 Jul
0 wk
5 Jun
3 Jul
1 wk after
Petunia
Petunia
23 Mar – 20 Apr
16 Apr
8-12 wk
15 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Apr
28 Apr
6-8 wk
1 Jun
9 Jun
1 wk after
8 Jul
6 wk after
Common zinnia
Zinnia elegans
4 – 18 May
24 May
4-6 wk
15 Jun
21 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
11 – 25 May
31 May
3-5 wk
15 Jun
21 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 May
20 May
4-6 wk
15 Jun
17 Jun
3 wk after
8 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
6 Apr – 4 May
16 May
8-12 wk
29 Jun
11 Jul
5 wk after
Bee balm
Monarda didyma
3 – 31 Mar
18 Apr
8-12 wk
26 May
13 Jun
0 wk
20 Jun
4 wk after
Yarrow
Achillea millefolium
31 Mar – 14 Apr
2 Apr
6-8 wk
26 May
0 wk
8 Jun
2 wk after
Safflower
Carthamus tinctorius
26 May
13 Jun
0 wk
27 May
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
31 Mar – 14 Apr
22 May
6-8 wk
26 May
3 Jul
0 wk
10 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
14 – 28 Apr
5 Jun
4-6 wk
26 May
3 Jul
0 wk
8 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
14 – 28 Mar
31 Mar
10-12 wk
6 Jun
9 Jun
2 wk after
Sunflower
Helianthus annuus
18 – 25 May
7 Jun
3-4 wk
15 Jun
28 Jun
3 wk after
20 Jun
4 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
27 May
6-8 wk
15 Jun
8 Jul
3 wk after
8 Jul
6 wk after
Annual phlox
Phlox drummondii
11 – 25 Apr
10 May
6-8 wk
6 Jun
21 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
18 Apr
8-12 wk
26 May
13 Jun
0 wk
20 Jun
4 wk after
African marigold
Tagetes erecta
20 Apr – 4 May
10 May
6-8 wk
15 Jun
21 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
17 May
6-8 wk
1 Jun
28 Jun
1 wk after
8 Jul
6 wk after
Wood sage
Salvia nemorosa
17 – 31 Mar
8 Apr
8-10 wk
26 May
3 Jun
0 wk
20 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
6 Apr – 4 May
10 May
6-10 wk
15 Jun
21 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
26 May
13 Jul
0 wk
27 May
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
17 Apr
8-10 wk
15 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
31 Mar – 14 Apr
2 May
6-8 wk
26 May
13 Jun
0 wk
8 Jun
2 wk after