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Method
Rel. frost
Last spring frost (0°C) 28 May Normal year · 20 years of data
Frost-free season 112 days 28 May – 17 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)
9 – 23 Apr
15 Jun
5-7 wk
28 May
20 Jul
0 wk
1 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
27 Jun
4-6 wk
28 May
25 Jul
0 wk
1 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
20 Mar – 17 Apr
11 Apr
8-12 wk
12 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
10 Jun
5-7 wk
28 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
27 May – 3 Jun
5 Jun
3-4 wk
24 Jun
26 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
Fleece
20 – 27 May
1 Jun
4-5 wk
24 Jun
29 Jun
4 wk after
2 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
5 Mar – 2 Apr
23 Mar
8-12 wk
28 May
0 wk
18 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 Jun
7 Jun
1 wk after
1 Jun
1 wk after
Maize
Zea mays
Fleece
15 – 22 May
26 May
3-4 wk
12 Jun
16 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
28 Jun
3-4 wk
5 Jun
19 Jul
1 wk after
18 Jun
9 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
5 Jul
0 wk
28 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
10 Jun
5-7 wk
28 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Potato
Solanum tuberosum
2 – 16 May
23 May
4-6 wk
13 Jun
20 Jun
2 wk after
13 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
20 Jun
5-7 wk
28 May
25 Jul
0 wk
1 Jun
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
27 May – 3 Jun
19 Jun
3-4 wk
24 Jun
10 Jul
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
3 Jun
3-4 wk
5 Jun
24 Jun
1 wk after
18 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
9 Jul
3-4 wk
28 May
30 Jul
0 wk
1 Jun
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
30 May
2-4 wk
28 May
13 Jun
0 wk
28 May
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
1 Jun
7 Jun
1 wk after
1 Jun
1 wk after
Spinach
Spinacia oleracea
30 Apr – 7 May
24 Jul
3-4 wk
28 May
14 Aug
0 wk
24 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
29 Jun – 13 Jul
4-6 wk
10 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
27 May – 10 Jun
12 Jun
2-4 wk
24 Jun
26 Jun
4 wk after
16 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
24 Jun
3-4 wk
28 May
15 Jul
0 wk
1 Jun
5 Jul
1 wk after

Herbs

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