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Method
Rel. frost
Last spring frost (0°C) 1 Jun Normal year · 20 years of data
Frost-free season 94 days 1 Jun – 3 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)
13 – 27 Apr
11 Jun
5-7 wk
1 Jun
16 Jul
0 wk
2 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
20 Apr – 4 May
23 Jun
4-6 wk
1 Jun
21 Jul
0 wk
2 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
15 Mar – 12 Apr
26 Mar
8-12 wk
7 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Apr
6 Jun
5-7 wk
1 Jun
11 Jul
0 wk
1 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
17 – 24 May
20 May
3-4 wk
14 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
10 – 17 May
31 May
4-5 wk
14 Jun
28 Jun
2 wk after
26 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
12 – 19 Jun
3-4 wk
10 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
9 Mar – 6 Apr
27 Mar
8-12 wk
1 Jun
0 wk
1 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
2 Jun
0 wk
2 Jun
0 wk
Maize
Zea mays
Greenhouse
4 – 11 May
28 May
3-4 wk
1 Jun
18 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
27 Jun
3-4 wk
3 Jun
18 Jul
0 wk
14 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 Jun
1 Jul
0 wk
1 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Apr
6 Jun
5-7 wk
1 Jun
11 Jul
0 wk
1 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
30 Apr – 14 May
7 May
4-6 wk
11 Jun
1 wk after
11 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Apr
16 Jun
5-7 wk
1 Jun
21 Jul
0 wk
2 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
17 – 24 May
12 Jun
3-4 wk
14 Jun
3 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
11 May
3-4 wk
3 Jun
0 wk
14 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Apr – 4 May
18 Jun
4-6 wk
1 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
4 – 11 May
5 Jul
3-4 wk
1 Jun
26 Jul
0 wk
2 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Apr – 4 May
18 Jun
4-6 wk
1 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
4 – 18 May
12 May
2-4 wk
1 Jun
0 wk
1 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 Jun
0 wk
2 Jun
0 wk
Spinach
Spinacia oleracea
4 – 11 May
20 Jul
3-4 wk
1 Jun
10 Aug
0 wk
29 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
26 Jun – 10 Jul
4-6 wk
7 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
6 – 20 Apr
7 May
6-8 wk
1 Jun
18 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
17 – 31 May
27 May
2-4 wk
14 Jun
2 wk after
14 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Apr – 4 May
18 Jun
4-6 wk
1 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
4 – 11 May
20 Jun
3-4 wk
1 Jun
11 Jul
0 wk
2 Jun
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
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
2 wk after
Lemon balm
Melissa officinalis
23 Mar – 6 Apr
16 May
8-10 wk
1 Jun
11 Jul
0 wk
26 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
2 Jun
18 Jul
0 wk
Wild chives
Allium schoenoprasum
6 – 20 Apr
30 May
6-8 wk
1 Jun
11 Jul
0 wk
2 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
9 Mar – 6 Apr
16 May
8-12 wk
1 Jun
11 Jul
0 wk
26 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
1 Jun
7 Aug
0 wk
14 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
1 May
8-10 wk
3 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
23 Mar – 6 Apr
6 May
8-10 wk
1 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
6 – 20 Apr
20 May
6-8 wk
1 Jun
1 Jul
0 wk
26 Jun
4 wk after
Parsley
Petroselinum crispum
6 – 20 Apr
20 May
6-8 wk
1 Jun
1 Jul
0 wk
2 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
23 Mar
10-14 wk
3 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
17 – 24 May
28 May
3-4 wk
14 Jun
18 Jun
2 wk after
Cornflower
Centaurea cyanus
1 Jun
11 Jul
0 wk
2 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
5 – 19 Apr
18 Apr
8-10 wk
14 Jun
2 wk after
Sweet William
Dianthus barbatus
6 – 20 Apr
6-8 wk
1 Jun
0 wk
11 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
2 May
6-8 wk
14 Jun
2 wk after
7 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
17 Apr – 1 May
6 May
6-8 wk
12 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
19 Apr – 17 May
1 Jun
4-8 wk
14 Jun
29 Jun
2 wk after
14 Jun
19 Jun
2 wk after
Foxglove
Digitalis purpurea
23 Mar – 6 Apr
8-10 wk
1 Jun
0 wk
14 Jun
2 wk after
Busy lizzie
Impatiens walleriana
10 Apr – 8 May
8 Jun
8-12 wk
3 Jul
3 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
12 May
6-8 wk
14 Jun
23 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
2 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
13 Apr
8-10 wk
3 Jun
8 Jun
0 wk
Love in a mist
Nigella damascena
1 Jun
26 Jun
0 wk
2 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 Jun
1 wk after
21 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
13 Apr
8-12 wk
3 Jun
8 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
9 Mar – 6 Apr
17 Mar
8-12 wk
1 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
15 Mar – 12 Apr
22 Apr
8-12 wk
7 Jun
17 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
1 wk after
Corn poppy
Papaver rhoeas
1 Jun
11 Jul
0 wk
2 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
9 Mar – 6 Apr
6 May
8-12 wk
1 Jun
1 Jul
0 wk
11 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
24 Apr – 8 May
28 Apr
8-10 wk
3 Jul
5 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Apr
27 May
5-8 wk
1 Jun
1 Jul
0 wk
Stock
Matthiola incana
6 – 20 Apr
30 May
6-8 wk
1 Jun
11 Jul
0 wk
14 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Apr
30 Apr
6-8 wk
1 Jun
11 Jun
0 wk
14 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
26 Apr – 10 May
15 May
4-6 wk
7 Jun
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
23 Mar – 6 Apr
16 May
8-10 wk
1 Jun
11 Jul
0 wk
11 Jun
1 Jul
1 wk after
Petunia
Petunia
22 Mar – 19 Apr
18 Apr
8-12 wk
14 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
27 Apr
6-8 wk
3 Jun
8 Jun
0 wk
14 Jul
6 wk after
Common zinnia
Zinnia elegans
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
10 – 24 May
28 May
3-5 wk
14 Jun
18 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
20 May
4-6 wk
14 Jun
17 Jun
2 wk after
14 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
10 Apr – 8 May
13 May
8-12 wk
3 Jul
8 Jul
5 wk after
Bee balm
Monarda didyma
9 Mar – 6 Apr
16 Apr
8-12 wk
1 Jun
11 Jun
0 wk
26 Jun
4 wk after
Yarrow
Achillea millefolium
6 – 20 Apr
6-8 wk
1 Jun
0 wk
14 Jun
2 wk after
Safflower
Carthamus tinctorius
1 Jun
11 Jun
0 wk
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
6 – 20 Apr
20 May
6-8 wk
1 Jun
1 Jul
0 wk
16 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
20 Apr – 4 May
3 Jun
4-6 wk
1 Jun
1 Jul
0 wk
14 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
15 – 29 Mar
31 Mar
10-12 wk
7 Jun
9 Jun
1 wk after
Sunflower
Helianthus annuus
17 – 24 May
31 May
3-4 wk
14 Jun
21 Jun
2 wk after
26 Jun
4 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
20 May
6-8 wk
14 Jun
1 Jul
2 wk after
14 Jul
6 wk after
Annual phlox
Phlox drummondii
12 – 26 Apr
12 May
6-8 wk
7 Jun
23 Jun
1 wk after
14 Jul
6 wk after
Hollyhock
Alcea rosea
6 – 20 Apr
6-8 wk
1 Jun
0 wk
14 Jun
2 wk after
Alpine delphinium
Delphinium elatum
9 Mar – 6 Apr
16 Apr
8-12 wk
1 Jun
11 Jun
0 wk
26 Jun
4 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
12 May
6-8 wk
14 Jun
23 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
10 May
6-8 wk
3 Jun
21 Jun
0 wk
14 Jul
6 wk after
Wood sage
Salvia nemorosa
23 Mar – 6 Apr
6 Apr
8-10 wk
1 Jun
1 Jun
0 wk
26 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
5 Apr – 3 May
7 May
6-10 wk
14 Jun
18 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
1 Jun
10 Jul
0 wk
2 Jun
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
29 Mar – 12 Apr
3 May
8-10 wk
7 Jun
28 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Apr
30 Apr
6-8 wk
1 Jun
11 Jun
0 wk
14 Jun
2 wk after