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Method
Rel. frost
Last spring frost (0°C) 12 May Normal year · 20 years of data
Frost-free season 136 days 12 May – 25 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)
24 Mar – 7 Apr
16 Jun
5-7 wk
12 May
21 Jul
0 wk
5 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
28 Jun
4-6 wk
12 May
26 Jul
0 wk
5 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
9 Mar – 6 Apr
27 Mar
8-12 wk
1 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
11 Jun
5-7 wk
12 May
16 Jul
0 wk
30 Apr
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
20 – 27 May
21 May
3-4 wk
17 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
13 – 20 May
29 May
4-5 wk
17 Jun
26 Jun
5 wk after
17 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Feb – 17 Mar
1 Apr
8-12 wk
12 May
27 May
0 wk
22 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
5 May
16 Jun
1 wk before
5 May
6 Jun
1 wk before
Maize
Zea mays
4 – 11 May
11 May
3-4 wk
1 Jun
1 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
19 – 26 Apr
5 Jul
3-4 wk
17 May
26 Jul
1 wk after
22 May
16 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
6 Jul
0 wk
30 Apr
26 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
11 Jun
5-7 wk
12 May
16 Jul
0 wk
30 Apr
6 Jul
2 wk before
Potato
Solanum tuberosum
5 – 19 Apr
2 Jun
4-6 wk
17 May
30 Jun
1 wk after
17 May
20 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
21 Jun
5-7 wk
12 May
26 Jul
0 wk
5 May
16 Jul
1 wk before
Pumpkin
Cucurbita pepo
20 – 27 May
16 Jun
3-4 wk
17 Jun
7 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
19 – 26 Apr
12 Jun
3-4 wk
17 May
3 Jul
1 wk after
22 May
23 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
23 Jun
4-6 wk
12 May
21 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
10 Jul
3-4 wk
12 May
31 Jul
0 wk
5 May
21 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
23 Jun
4-6 wk
12 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 Apr
2 Jun
2-4 wk
30 Apr
16 Jun
2 wk before
30 Apr
6 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 May
16 Jun
1 wk before
5 May
6 Jun
1 wk before
Spinach
Spinacia oleracea
14 – 21 Apr
25 Jul
3-4 wk
12 May
15 Aug
0 wk
24 Apr
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 Jun
4-6 wk
20 Jul
10 wk after
Garden tomato
Solanum lycopersicum
6 – 20 Apr
20 Apr
6-8 wk
1 Jun
1 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
4 – 18 May
18 Jun
2-4 wk
1 Jun
2 Jul
3 wk after
17 Jun
22 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
23 Jun
4-6 wk
12 May
21 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
25 Jun
3-4 wk
12 May
16 Jul
0 wk
5 May
6 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
6 – 20 May
25 May
4-6 wk
17 Jun
22 Jun
5 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
21 May
8-10 wk
12 May
16 Jul
0 wk
2 Jun
6 Jul
3 wk after
Dill
Anethum graveolens
5 May
26 Jul
1 wk before
Wild chives
Allium schoenoprasum
17 – 31 Mar
4 Jun
6-8 wk
12 May
16 Jul
0 wk
5 May
6 Jul
1 wk before
Spearmint
Mentha spicata
17 Feb – 17 Mar
21 May
8-12 wk
12 May
16 Jul
0 wk
2 Jun
6 Jul
3 wk after
Coriander
Coriandrum sativum
12 May
15 Aug
0 wk
22 May
5 Aug
1 wk after
Garden sage
Salvia officinalis
8 – 22 Mar
6 May
8-10 wk
17 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Mar
11 May
8-10 wk
12 May
6 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
25 May
6-8 wk
12 May
6 Jul
0 wk
2 Jun
26 Jun
3 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
25 May
6-8 wk
12 May
6 Jul
0 wk
5 May
26 Jun
1 wk before
Rosemary
Salvia rosmarinus
8 Feb – 8 Mar
2 Apr
10-14 wk
17 May
11 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
20 – 27 May
1 Jun
3-4 wk
17 Jun
22 Jun
5 wk after
Cornflower
Centaurea cyanus
12 May
16 Jul
0 wk
5 May
6 Jul
1 wk before
Statice
Limonium sinuatum
23 Mar – 6 Apr
2 May
8-10 wk
1 Jun
27 Jun
3 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
17 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
6 – 20 Apr
16 May
6-8 wk
1 Jun
27 Jun
3 wk after
20 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
30 Mar – 13 Apr
19 May
6-8 wk
25 May
30 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
7 Apr – 5 May
2 Jun
4-8 wk
2 Jun
30 Jun
3 wk after
2 Jun
20 Jun
3 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
22 May
1 wk after
Busy lizzie
Impatiens walleriana
25 Mar – 22 Apr
18 Jun
8-12 wk
17 Jun
13 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 Apr
26 May
6-8 wk
1 Jun
7 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 Apr – 4 May
1 May
4-6 wk
1 Jun
3 wk after
Chinese lantern
Physalis alkekengi
8 – 22 Mar
21 Apr
8-10 wk
17 May
16 Jun
1 wk after
Love in a mist
Nigella damascena
12 May
1 Jul
0 wk
5 May
21 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 Apr
6 May
6-8 wk
1 Jun
17 Jun
3 wk after
20 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
22 Feb – 22 Mar
21 Apr
8-12 wk
17 May
16 Jun
1 wk after
Cardoon
Cynara cardunculus
9 Mar – 6 Apr
22 Mar
8-12 wk
1 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
25 Mar – 22 Apr
17 Apr
8-12 wk
17 Jun
5 wk after
Globe amaranth
Gomphrena globosa
22 Apr – 6 May
1 May
6-8 wk
17 Jun
5 wk after
Corn poppy
Papaver rhoeas
12 May
16 Jul
0 wk
5 May
6 Jul
1 wk before
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
11 May
8-12 wk
12 May
6 Jul
0 wk
17 May
26 Jun
1 wk after
Flossflower
Ageratum houstonianum
8 – 22 Apr
12 May
8-10 wk
17 Jun
7 Jul
5 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
1 Jun
5-8 wk
12 May
6 Jul
0 wk
Stock
Matthiola incana
17 – 31 Mar
4 Jun
6-8 wk
12 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
5 May
6-8 wk
12 May
16 Jun
0 wk
22 May
6 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
6 – 20 May
10 May
4-6 wk
17 Jun
5 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
21 May
8-10 wk
12 May
16 Jul
0 wk
17 May
6 Jul
1 wk after
Petunia
Petunia
9 Mar – 6 Apr
2 May
8-12 wk
1 Jun
27 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
22 Mar – 5 Apr
5 May
6-8 wk
17 May
16 Jun
1 wk after
17 Jun
5 wk after
Common zinnia
Zinnia elegans
20 Apr – 4 May
31 May
4-6 wk
1 Jun
28 Jun
3 wk after
Common morning glory
Ipomoea purpurea
13 – 27 May
1 Jun
3-5 wk
17 Jun
22 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
20 Apr – 4 May
2 Jun
4-6 wk
1 Jun
30 Jun
3 wk after
17 Jun
20 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
1 – 29 Apr
17 May
8-12 wk
24 Jun
12 Jul
6 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
21 Apr
8-12 wk
12 May
16 Jun
0 wk
2 Jun
6 Jun
3 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
5 Apr
6-8 wk
12 May
17 May
0 wk
22 May
1 wk after
Safflower
Carthamus tinctorius
12 May
16 Jun
0 wk
5 May
6 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
25 May
6-8 wk
12 May
6 Jul
0 wk
3 Apr
26 Jun
6 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
8 Jun
4-6 wk
12 May
6 Jul
0 wk
22 May
26 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
9 – 23 Mar
1 Apr
10-12 wk
1 Jun
10 Jun
3 wk after
Sunflower
Helianthus annuus
4 – 11 May
10 Jun
3-4 wk
1 Jun
1 Jul
3 wk after
2 Jun
21 Jun
3 wk after
China aster
Callistephus chinensis
6 – 20 Apr
30 May
6-8 wk
1 Jun
11 Jul
3 wk after
17 Jun
1 Jul
5 wk after
Annual phlox
Phlox drummondii
27 Mar – 10 Apr
26 May
6-8 wk
22 May
7 Jul
1 wk after
17 Jun
27 Jun
5 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
22 May
1 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
21 Apr
8-12 wk
12 May
16 Jun
0 wk
2 Jun
6 Jun
3 wk after
African marigold
Tagetes erecta
6 – 20 Apr
26 May
6-8 wk
1 Jun
7 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
22 Mar – 5 Apr
20 May
6-8 wk
17 May
1 Jul
1 wk after
17 Jun
21 Jun
5 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
11 Apr
8-10 wk
12 May
6 Jun
0 wk
2 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
8 Apr – 6 May
11 May
6-10 wk
17 Jun
22 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
12 May
16 Jul
0 wk
5 May
6 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
23 Mar – 6 Apr
1 May
8-10 wk
1 Jun
26 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
5 May
6-8 wk
12 May
16 Jun
0 wk
22 May
6 Jun
1 wk after