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Method
Rel. frost
Last spring frost (0°C) 5 Jun Normal year · 20 years of data
Frost-free season 103 days 5 Jun – 16 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)
17 Apr – 1 May
14 Jun
5-7 wk
5 Jun
19 Jul
0 wk
9 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
26 Jun
4-6 wk
5 Jun
24 Jul
0 wk
9 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
9 Jun
5-7 wk
5 Jun
14 Jul
0 wk
5 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 May
18 May
3-4 wk
11 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
14 – 21 May
1 Jun
4-5 wk
18 Jun
29 Jun
2 wk after
10 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
13 Mar – 10 Apr
30 Mar
8-12 wk
5 Jun
0 wk
5 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
9 Jun
1 wk after
9 Jun
1 wk after
Maize
Zea mays
Greenhouse
8 – 15 May
8 May
3-4 wk
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
28 Jun
3-4 wk
7 Jun
19 Jul
0 wk
26 Jun
9 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
4 Jul
0 wk
5 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
9 Jun
5-7 wk
5 Jun
14 Jul
0 wk
5 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
Fleece
28 Apr – 12 May
19 May
4-6 wk
9 Jun
16 Jun
1 wk after
9 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
19 Jun
5-7 wk
5 Jun
24 Jul
0 wk
9 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
21 – 28 May
23 May
3-4 wk
18 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
3-4 wk
7 Jun
0 wk
26 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
21 Jun
4-6 wk
5 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
8 Jul
3-4 wk
5 Jun
29 Jul
0 wk
9 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
21 Jun
4-6 wk
5 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 May
20 May
2-4 wk
5 Jun
0 wk
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Jun
1 wk after
9 Jun
1 wk after
Spinach
Spinacia oleracea
8 – 15 May
23 Jul
3-4 wk
5 Jun
13 Aug
0 wk
1 Jun
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jul
4-6 wk
18 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
10 – 24 Apr
17 Apr
6-8 wk
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 May
25 May
2-4 wk
11 Jun
1 wk after
10 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
21 Jun
4-6 wk
5 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
23 Jun
3-4 wk
5 Jun
14 Jul
0 wk
9 Jun
4 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
Greenhouse
30 Apr – 14 May
29 May
4-6 wk
11 Jun
26 Jun
1 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
19 May
8-10 wk
5 Jun
14 Jul
0 wk
10 Jul
5 wk after
Dill
Anethum graveolens
9 Jun
19 Jul
1 wk after
Wild chives
Allium schoenoprasum
10 – 24 Apr
2 Jun
6-8 wk
5 Jun
14 Jul
0 wk
9 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
13 Mar – 10 Apr
19 May
8-12 wk
5 Jun
14 Jul
0 wk
10 Jul
5 wk after
Coriander
Coriandrum sativum
5 Jun
8 Aug
0 wk
26 Jun
29 Jul
3 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
4 May
8-10 wk
7 Jun
29 Jun
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
9 May
8-10 wk
5 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
23 May
6-8 wk
5 Jun
4 Jul
0 wk
10 Jul
5 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
23 May
6-8 wk
5 Jun
4 Jul
0 wk
9 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
1 – 29 Mar
29 Mar
10-14 wk
7 Jun
7 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
Greenhouse
14 – 21 May
5 Jun
3-4 wk
11 Jun
26 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
14 Jul
0 wk
9 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
9 – 23 Apr
14 Apr
8-10 wk
18 Jun
2 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
21 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
23 Apr – 7 May
28 Apr
6-8 wk
18 Jun
2 wk after
18 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
21 Apr – 5 May
5 May
6-8 wk
16 Jun
16 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
1 – 29 May
1 Jun
4-8 wk
26 Jun
29 Jun
3 wk after
26 Jun
3 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
26 Jun
3 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
19 May
8-12 wk
7 Jul
14 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
8 May
6-8 wk
18 Jun
19 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
14 Apr
8-10 wk
7 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
29 Jun
0 wk
9 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
1 wk after
3 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
14 Apr
8-12 wk
7 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
19 Mar – 16 Apr
20 Mar
8-12 wk
11 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
19 Mar – 16 Apr
21 Apr
8-12 wk
11 Jun
16 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
16 – 30 Apr
5 May
6-8 wk
11 Jun
16 Jun
1 wk after
Corn poppy
Papaver rhoeas
5 Jun
14 Jul
0 wk
9 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
9 May
8-12 wk
5 Jun
4 Jul
0 wk
21 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
6 May
8-10 wk
18 Jun
1 Jul
2 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
30 May
5-8 wk
5 Jun
4 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
2 Jun
6-8 wk
5 Jun
14 Jul
0 wk
26 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
3 May
6-8 wk
5 Jun
14 Jun
0 wk
26 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
30 Apr – 14 May
14 May
4-6 wk
11 Jun
11 Jun
1 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
19 May
8-10 wk
5 Jun
14 Jul
0 wk
21 Jun
4 Jul
2 wk after
Petunia
Petunia
26 Mar – 23 Apr
14 Apr
8-12 wk
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
28 Apr
6-8 wk
7 Jun
9 Jun
0 wk
24 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
30 Apr – 14 May
29 May
4-6 wk
11 Jun
26 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 May
5 Jun
3-5 wk
11 Jun
26 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
7 – 21 May
19 May
4-6 wk
18 Jun
2 wk after
24 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Mar – 23 Apr
21 May
8-12 wk
18 Jun
16 Jul
2 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
19 Apr
8-12 wk
5 Jun
14 Jun
0 wk
10 Jul
5 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Safflower
Carthamus tinctorius
5 Jun
14 Jun
0 wk
9 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
23 May
6-8 wk
5 Jun
4 Jul
0 wk
18 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
6 Jun
4-6 wk
5 Jun
4 Jul
0 wk
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
31 Mar
10-12 wk
11 Jun
1 wk after
Sunflower
Helianthus annuus
21 – 28 May
6 Jun
3-4 wk
18 Jun
27 Jun
2 wk after
10 Jul
5 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
26 May
6-8 wk
18 Jun
7 Jul
2 wk after
24 Jul
7 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
8 May
6-8 wk
11 Jun
19 Jun
1 wk after
24 Jul
7 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
19 Apr
8-12 wk
5 Jun
14 Jun
0 wk
10 Jul
5 wk after
African marigold
Tagetes erecta
23 Apr – 7 May
8 May
6-8 wk
18 Jun
19 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
16 May
6-8 wk
7 Jun
27 Jun
0 wk
24 Jul
7 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
9 Apr
8-10 wk
5 Jun
0 wk
10 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
2 – 30 Apr
15 May
6-10 wk
11 Jun
26 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
14 Jul
0 wk
9 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
20 Apr
8-10 wk
18 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
3 May
6-8 wk
5 Jun
14 Jun
0 wk
26 Jun
3 wk after