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Method
Rel. frost
Last spring frost (0°C) 2 Jun Normal year · 20 years of data
Frost-free season 97 days 2 Jun – 7 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)
14 – 28 Apr
10 Jun
5-7 wk
2 Jun
15 Jul
0 wk
3 Jun
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
22 Jun
4-6 wk
2 Jun
20 Jul
0 wk
3 Jun
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Apr
5 Jun
5-7 wk
2 Jun
10 Jul
0 wk
2 Jun
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
11 – 18 May
26 May
3-4 wk
8 Jun
16 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
11 – 18 May
26 May
4-5 wk
15 Jun
23 Jun
2 wk after
27 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
13 – 20 Jun
3-4 wk
11 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
10 Mar – 7 Apr
22 Mar
8-12 wk
2 Jun
0 wk
2 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
30 May
0 wk
30 May
0 wk
Maize
Zea mays
Greenhouse
5 – 12 May
16 May
3-4 wk
2 Jun
6 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
22 Jun
3-4 wk
4 Jun
13 Jul
0 wk
15 Jun
3 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
29 Jun
0 wk
2 Jun
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
5 Jun
5-7 wk
2 Jun
10 Jul
0 wk
2 Jun
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
22 Apr – 6 May
11 May
4-6 wk
3 Jun
8 Jun
0 wk
3 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
14 Jun
5-7 wk
2 Jun
19 Jul
0 wk
3 Jun
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
18 – 25 May
31 May
3-4 wk
15 Jun
21 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
5 – 12 May
19 May
3-4 wk
2 Jun
9 Jun
0 wk
8 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
17 Jun
4-6 wk
2 Jun
15 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
3 Jul
3-4 wk
2 Jun
24 Jul
0 wk
3 Jun
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
17 Jun
4-6 wk
2 Jun
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 May
9 May
2-4 wk
2 Jun
0 wk
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
30 May
0 wk
30 May
0 wk
Spinach
Spinacia oleracea
5 – 12 May
19 Jul
3-4 wk
2 Jun
9 Aug
0 wk
30 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
7 – 21 Apr
25 Apr
6-8 wk
2 Jun
6 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
11 – 25 May
2 Jun
2-4 wk
8 Jun
16 Jun
1 wk after
27 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
17 Jun
4-6 wk
2 Jun
15 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
18 Jun
3-4 wk
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk

Herbs

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