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Method
Rel. frost
Last spring frost (0°C) 6 Jun Normal year · 20 years of data
Frost-free season 86 days 6 Jun – 31 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)
18 Apr – 2 May
13 Jun
5-7 wk
6 Jun
18 Jul
0 wk
7 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
25 Jun
4-6 wk
6 Jun
23 Jul
0 wk
7 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
22 Mar
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
8 Jun
5-7 wk
6 Jun
13 Jul
0 wk
6 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
22 – 29 May
3-4 wk
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
15 – 22 May
27 May
4-5 wk
19 Jun
24 Jun
2 wk after
1 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
14 Mar – 11 Apr
29 Mar
8-12 wk
6 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Maize
Zea mays
Greenhouse
9 – 16 May
27 May
3-4 wk
6 Jun
17 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
23 Jun
3-4 wk
8 Jun
14 Jul
0 wk
19 Jun
4 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
3 Jul
0 wk
6 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
8 Jun
5-7 wk
6 Jun
13 Jul
0 wk
6 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
5 – 19 May
14 May
4-6 wk
16 Jun
1 wk after
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
18 Jun
5-7 wk
6 Jun
23 Jul
0 wk
7 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
22 – 29 May
11 Jun
3-4 wk
19 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
17 May
3-4 wk
8 Jun
0 wk
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
20 Jun
4-6 wk
6 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
7 Jul
3-4 wk
6 Jun
28 Jul
0 wk
7 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
20 Jun
4-6 wk
6 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 May
20 May
2-4 wk
6 Jun
0 wk
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Spinach
Spinacia oleracea
9 – 16 May
22 Jul
3-4 wk
6 Jun
12 Aug
0 wk
3 Jun
2 Aug
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
11 – 25 Apr
6 May
6-8 wk
6 Jun
17 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
22 May – 5 Jun
23 May
2-4 wk
19 Jun
2 wk after
19 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
20 Jun
4-6 wk
6 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
22 Jun
3-4 wk
6 Jun
13 Jul
0 wk
7 Jun
3 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
8 – 22 May
20 May
4-6 wk
19 Jun
2 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
18 May
8-10 wk
6 Jun
13 Jul
0 wk
1 Jul
3 Jul
4 wk after
Dill
Anethum graveolens
7 Jun
14 Jul
0 wk
Wild chives
Allium schoenoprasum
11 – 25 Apr
1 Jun
6-8 wk
6 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
14 Mar – 11 Apr
18 May
8-12 wk
6 Jun
13 Jul
0 wk
1 Jul
3 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
3 Aug
0 wk
19 Jun
24 Jul
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
3 May
8-10 wk
8 Jun
28 Jun
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
8 May
8-10 wk
6 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
22 May
6-8 wk
6 Jun
3 Jul
0 wk
1 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
22 May
6-8 wk
6 Jun
3 Jul
0 wk
7 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
15 Mar
10-14 wk
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
22 – 29 May
27 May
3-4 wk
19 Jun
2 wk after
Cornflower
Centaurea cyanus
6 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
10 – 24 Apr
18 Apr
8-10 wk
19 Jun
2 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
16 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
24 Apr – 8 May
2 May
6-8 wk
19 Jun
2 wk after
12 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
22 Apr – 6 May
6 May
6-8 wk
17 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
24 Apr – 22 May
31 May
4-8 wk
19 Jun
28 Jun
2 wk after
19 Jun
2 wk after
Foxglove
Digitalis purpurea
28 Mar – 11 Apr
8-10 wk
6 Jun
0 wk
19 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
7 Jun
8-12 wk
8 Jul
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
24 Apr – 8 May
12 May
6-8 wk
19 Jun
23 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 May
4-6 wk
19 Jun
2 wk after
Chinese lantern
Physalis alkekengi
30 Mar – 13 Apr
9 Apr
8-10 wk
8 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
28 Jun
0 wk
7 Jun
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
17 Apr – 1 May
1 May
6-8 wk
12 Jun
12 Jun
1 wk after
26 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
9 Apr
8-12 wk
8 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
14 Mar – 11 Apr
19 Mar
8-12 wk
6 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
27 Mar – 24 Apr
12 Apr
8-12 wk
19 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
24 Apr – 8 May
26 Apr
6-8 wk
19 Jun
2 wk after
Corn poppy
Papaver rhoeas
6 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
8 May
8-12 wk
6 Jun
3 Jul
0 wk
16 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
10 – 24 Apr
7 May
8-10 wk
19 Jun
2 Jul
2 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
29 May
5-8 wk
6 Jun
3 Jul
0 wk
Stock
Matthiola incana
11 – 25 Apr
1 Jun
6-8 wk
6 Jun
13 Jul
0 wk
19 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
2 May
6-8 wk
6 Jun
13 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
1 – 15 May
15 May
4-6 wk
12 Jun
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
18 May
8-10 wk
6 Jun
13 Jul
0 wk
16 Jun
3 Jul
1 wk after
Petunia
Petunia
27 Mar – 24 Apr
18 Apr
8-12 wk
19 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
23 Apr
6-8 wk
8 Jun
0 wk
19 Jul
6 wk after
Common zinnia
Zinnia elegans
8 – 22 May
20 May
4-6 wk
19 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
15 – 29 May
27 May
3-5 wk
19 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
8 – 22 May
20 May
4-6 wk
19 Jun
2 wk after
19 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
27 Mar – 24 Apr
22 May
8-12 wk
19 Jun
17 Jul
2 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
18 Apr
8-12 wk
6 Jun
13 Jun
0 wk
1 Jul
4 wk after
Yarrow
Achillea millefolium
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Safflower
Carthamus tinctorius
6 Jun
13 Jun
0 wk
7 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
22 May
6-8 wk
6 Jun
3 Jul
0 wk
21 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
5 Jun
4-6 wk
6 Jun
3 Jul
0 wk
19 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Mar – 3 Apr
30 Mar
10-12 wk
12 Jun
1 wk after
Sunflower
Helianthus annuus
22 – 29 May
23 May
3-4 wk
19 Jun
2 wk after
1 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
12 May
6-8 wk
19 Jun
23 Jun
2 wk after
19 Jul
6 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
12 May
6-8 wk
12 Jun
23 Jun
1 wk after
19 Jul
6 wk after
Hollyhock
Alcea rosea
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
18 Apr
8-12 wk
6 Jun
13 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
24 Apr – 8 May
12 May
6-8 wk
19 Jun
23 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
2 May
6-8 wk
8 Jun
13 Jun
0 wk
19 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
8 Apr
8-10 wk
6 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
10 Apr – 8 May
6 May
6-10 wk
19 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
10 – 24 Apr
12 Apr
8-10 wk
19 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
2 May
6-8 wk
6 Jun
13 Jun
0 wk
19 Jun
2 wk after