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Method
Rel. frost
Last spring frost (0°C) 7 Jun Normal year · 20 years of data
Frost-free season 82 days 7 Jun – 28 Aug
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)
19 Apr – 3 May
15 Jun
5-7 wk
7 Jun
20 Jul
0 wk
11 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
27 Jun
4-6 wk
7 Jun
25 Jul
0 wk
11 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
10 Jun
5-7 wk
7 Jun
15 Jul
0 wk
7 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
16 – 23 May
6 Jun
3-4 wk
13 Jun
27 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 May
26 May
4-5 wk
20 Jun
23 Jun
2 wk after
12 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
15 Mar – 12 Apr
31 Mar
8-12 wk
7 Jun
0 wk
7 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
11 Jun
1 wk after
11 Jun
1 wk after
Maize
Zea mays
Greenhouse
10 – 17 May
27 May
3-4 wk
7 Jun
17 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
22 Jun
3-4 wk
9 Jun
13 Jul
0 wk
28 Jun
3 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
3 Jul
0 wk
7 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
10 Jun
5-7 wk
7 Jun
15 Jul
0 wk
7 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
12 – 26 May
17 May
4-6 wk
23 Jun
2 wk after
23 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
18 Jun
5-7 wk
7 Jun
23 Jul
0 wk
11 Jun
13 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
23 – 30 May
11 Jun
3-4 wk
20 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
16 May
3-4 wk
9 Jun
0 wk
28 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
22 Jun
4-6 wk
7 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
7 Jul
3-4 wk
7 Jun
28 Jul
0 wk
11 Jun
18 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
22 Jun
4-6 wk
7 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 May
23 May
2-4 wk
7 Jun
0 wk
7 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 Jun
1 wk after
11 Jun
1 wk after
Spinach
Spinacia oleracea
10 – 17 May
24 Jul
3-4 wk
7 Jun
14 Aug
0 wk
3 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jul
4-6 wk
20 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
16 – 30 May
13 Jun
2-4 wk
13 Jun
27 Jun
1 wk after
12 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
22 Jun
4-6 wk
7 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
22 Jun
3-4 wk
7 Jun
13 Jul
0 wk
11 Jun
3 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
9 – 23 May
20 May
4-6 wk
20 Jun
2 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
18 May
8-10 wk
7 Jun
13 Jul
0 wk
12 Jul
5 wk after
Dill
Anethum graveolens
11 Jun
13 Jul
1 wk after
Wild chives
Allium schoenoprasum
12 – 26 Apr
3 Jun
6-8 wk
7 Jun
15 Jul
0 wk
11 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
15 Mar – 12 Apr
20 May
8-12 wk
7 Jun
15 Jul
0 wk
12 Jul
5 wk after
Coriander
Coriandrum sativum
7 Jun
2 Aug
0 wk
28 Jun
23 Jul
3 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
5 May
8-10 wk
9 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
10 May
8-10 wk
7 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
0 wk
12 Jul
5 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
0 wk
11 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
1 – 29 Mar
30 Mar
10-14 wk
7 Jun
8 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
23 – 30 May
27 May
3-4 wk
20 Jun
2 wk after
Cornflower
Centaurea cyanus
7 Jun
15 Jul
0 wk
11 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
29 Apr
8-10 wk
13 Jun
24 Jun
1 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
23 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
13 May
6-8 wk
13 Jun
24 Jun
1 wk after
5 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
7 May
6-8 wk
18 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
3 – 31 May
28 May
4-8 wk
28 Jun
3 wk after
28 Jun
3 wk after
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
28 Jun
3 wk after
Busy lizzie
Impatiens walleriana
16 Apr – 14 May
7 Jun
8-12 wk
9 Jul
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
25 Apr – 9 May
10 May
6-8 wk
20 Jun
21 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
2 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
8 Apr
8-10 wk
9 Jun
0 wk
Love in a mist
Nigella damascena
7 Jun
28 Jun
0 wk
11 Jun
18 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
18 Apr – 2 May
3 May
6-8 wk
13 Jun
14 Jun
1 wk after
5 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
8 Apr
8-12 wk
9 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
15 Mar – 12 Apr
21 Mar
8-12 wk
7 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
21 Mar – 18 Apr
23 Apr
8-12 wk
13 Jun
18 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
18 Apr – 2 May
7 May
6-8 wk
13 Jun
18 Jun
1 wk after
Corn poppy
Papaver rhoeas
7 Jun
13 Jul
0 wk
11 Jun
3 Jul
1 wk after
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
8 May
8-12 wk
7 Jun
3 Jul
0 wk
23 Jun
23 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Apr
9 May
8-10 wk
20 Jun
4 Jul
2 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
31 May
5-8 wk
7 Jun
5 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
1 Jun
6-8 wk
7 Jun
13 Jul
0 wk
28 Jun
3 Jul
3 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
4 May
6-8 wk
7 Jun
15 Jun
0 wk
28 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
2 – 16 May
16 May
4-6 wk
13 Jun
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
20 May
8-10 wk
7 Jun
15 Jul
0 wk
23 Jun
5 Jul
2 wk after
Petunia
Petunia
Fleece
21 Mar – 18 Apr
29 Apr
8-12 wk
13 Jun
24 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
22 Apr
6-8 wk
9 Jun
0 wk
26 Jul
7 wk after
Common zinnia
Zinnia elegans
9 – 23 May
20 May
4-6 wk
20 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
16 – 30 May
27 May
3-5 wk
20 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
9 – 23 May
21 May
4-6 wk
20 Jun
2 wk after
26 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
28 Mar – 25 Apr
23 May
8-12 wk
20 Jun
18 Jul
2 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
18 Apr
8-12 wk
7 Jun
13 Jun
0 wk
12 Jul
5 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
28 Jun
3 wk after
Safflower
Carthamus tinctorius
7 Jun
15 Jun
0 wk
11 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
0 wk
20 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
5 Jun
4-6 wk
7 Jun
3 Jul
0 wk
28 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
21 Mar – 4 Apr
27 Mar
10-12 wk
13 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
16 – 23 May
7 Jun
3-4 wk
13 Jun
28 Jun
1 wk after
28 Jun
3 wk after
China aster
Callistephus chinensis
25 Apr – 9 May
9 May
6-8 wk
20 Jun
20 Jun
2 wk after
26 Jul
7 wk after
Annual phlox
Phlox drummondii
18 Apr – 2 May
10 May
6-8 wk
13 Jun
21 Jun
1 wk after
26 Jul
7 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
28 Jun
3 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
18 Apr
8-12 wk
7 Jun
13 Jun
0 wk
12 Jul
5 wk after
African marigold
Tagetes erecta
25 Apr – 9 May
10 May
6-8 wk
20 Jun
21 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
29 Apr
6-8 wk
9 Jun
10 Jun
0 wk
26 Jul
7 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
8 Apr
8-10 wk
7 Jun
0 wk
12 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
11 Apr – 9 May
6 May
6-10 wk
20 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
8 Jul
0 wk
11 Jun
28 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
4 – 18 Apr
28 Apr
8-10 wk
13 Jun
23 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
4 May
6-8 wk
7 Jun
15 Jun
0 wk
28 Jun
3 wk after