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Method
Rel. frost
Last spring frost (0°C) 8 Jun Normal year · 20 years of data
Frost-free season 74 days 8 Jun – 21 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)
20 Apr – 4 May
11 Jun
5-7 wk
8 Jun
16 Jul
0 wk
9 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
23 Jun
4-6 wk
8 Jun
21 Jul
0 wk
9 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Apr – 4 May
6 Jun
5-7 wk
8 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
20 May
3-4 wk
14 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
10 – 17 May
2 Jun
4-5 wk
14 Jun
30 Jun
1 wk after
21 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
16 Mar – 13 Apr
25 Mar
8-12 wk
8 Jun
0 wk
8 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
9 Jun
0 wk
9 Jun
0 wk
Maize
Zea mays
Season too short
11 – 18 May
3-4 wk
8 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
11 Jun
3-4 wk
10 Jun
2 Jul
0 wk
21 Jun
22 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
30 Jun
0 wk
8 Jun
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Apr – 4 May
6 Jun
5-7 wk
8 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
7 – 21 May
4-6 wk
18 Jun
1 wk after
18 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
15 Jun
5-7 wk
8 Jun
20 Jul
0 wk
9 Jun
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
17 – 24 May
13 Jun
3-4 wk
14 Jun
4 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
11 – 18 May
19 May
3-4 wk
8 Jun
9 Jun
0 wk
14 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 May
4 Jul
3-4 wk
8 Jun
25 Jul
0 wk
9 Jun
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 May
11 May
2-4 wk
8 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Jun
0 wk
9 Jun
0 wk
Spinach
Spinacia oleracea
11 – 18 May
20 Jul
3-4 wk
8 Jun
10 Aug
0 wk
5 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
13 – 27 Apr
19 Apr
6-8 wk
8 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
17 – 31 May
27 May
2-4 wk
14 Jun
1 wk after
3 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
18 Jun
4-6 wk
8 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 May
19 Jun
3-4 wk
8 Jun
10 Jul
0 wk
9 Jun
30 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
3 – 17 May
22 May
4-6 wk
14 Jun
19 Jun
1 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
15 May
8-10 wk
8 Jun
10 Jul
0 wk
3 Jul
4 wk after
Dill
Anethum graveolens
9 Jun
2 Jul
0 wk
Wild chives
Allium schoenoprasum
13 – 27 Apr
30 May
6-8 wk
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
16 Mar – 13 Apr
16 May
8-12 wk
8 Jun
11 Jul
0 wk
3 Jul
4 wk after
Coriander
Coriandrum sativum
8 Jun
22 Jul
0 wk
21 Jun
12 Jul
2 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
1 May
8-10 wk
10 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
30 Mar – 13 Apr
6 May
8-10 wk
8 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
3 Jul
4 wk after
Parsley
Petroselinum crispum
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
9 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
2 – 30 Mar
20 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
Greenhouse
17 – 24 May
29 May
3-4 wk
14 Jun
19 Jun
1 wk after
Cornflower
Centaurea cyanus
8 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Fleece
5 – 19 Apr
19 Apr
8-10 wk
14 Jun
14 Jun
1 wk after
Sweet William
Dianthus barbatus
13 – 27 Apr
6-8 wk
8 Jun
0 wk
18 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
19 Apr – 3 May
3 May
6-8 wk
14 Jun
14 Jun
1 wk after
28 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
15 – 29 Apr
6 May
6-8 wk
10 Jun
17 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
26 Apr – 24 May
20 May
4-8 wk
21 Jun
2 wk after
21 Jun
2 wk after
Foxglove
Digitalis purpurea
30 Mar – 13 Apr
8-10 wk
8 Jun
0 wk
21 Jun
2 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
21 May
8-12 wk
10 Jul
16 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
19 Apr – 3 May
13 May
6-8 wk
14 Jun
24 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
30 Mar – 13 Apr
15 Apr
8-10 wk
8 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
8 Jun
25 Jun
0 wk
9 Jun
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
19 Apr – 3 May
23 Apr
6-8 wk
14 Jun
1 wk after
28 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
Fleece
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
16 Mar – 13 Apr
17 Mar
8-12 wk
8 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Mar – 19 Apr
14 Apr
8-12 wk
14 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
19 Apr – 3 May
28 Apr
6-8 wk
14 Jun
1 wk after
Corn poppy
Papaver rhoeas
8 Jun
10 Jul
0 wk
9 Jun
30 Jun
0 wk
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
5 May
8-12 wk
8 Jun
30 Jun
0 wk
18 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
5 – 19 Apr
10 May
8-10 wk
14 Jun
5 Jul
1 wk after
Sweet pea
Lathyrus odoratus
13 Apr – 4 May
27 May
5-8 wk
8 Jun
1 Jul
0 wk
Stock
Matthiola incana
13 – 27 Apr
29 May
6-8 wk
8 Jun
10 Jul
0 wk
21 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Apr
30 Apr
6-8 wk
8 Jun
11 Jun
0 wk
21 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 May
7 May
4-6 wk
14 Jun
1 wk after
Garden pansy
Viola × wittrockiana
30 Mar – 13 Apr
16 May
8-10 wk
8 Jun
11 Jul
0 wk
18 Jun
1 Jul
1 wk after
Petunia
Petunia
Fleece
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
13 – 27 Apr
29 Apr
6-8 wk
8 Jun
10 Jun
0 wk
3 Jul
4 wk after
Common zinnia
Zinnia elegans
Fleece
3 – 17 May
22 May
4-6 wk
14 Jun
19 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
10 – 24 May
29 May
3-5 wk
14 Jun
19 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
3 – 17 May
20 May
4-6 wk
14 Jun
17 Jun
1 wk after
3 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
29 Mar – 26 Apr
14 May
8-12 wk
21 Jun
9 Jul
2 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
3 Jul
4 wk after
Yarrow
Achillea millefolium
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Safflower
Carthamus tinctorius
8 Jun
11 Jun
0 wk
9 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Apr
20 May
6-8 wk
8 Jun
1 Jul
0 wk
23 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
27 Apr – 11 May
2 Jun
4-6 wk
8 Jun
30 Jun
0 wk
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Mar – 5 Apr
10-12 wk
14 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
17 – 24 May
28 May
3-4 wk
14 Jun
18 Jun
1 wk after
21 Jun
2 wk after
China aster
Callistephus chinensis
Fleece
19 Apr – 3 May
17 May
6-8 wk
14 Jun
28 Jun
1 wk after
3 Jul
4 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
28 Apr
6-8 wk
14 Jun
1 wk after
21 Jul
6 wk after
Hollyhock
Alcea rosea
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Alpine delphinium
Delphinium elatum
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
3 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
19 Apr – 3 May
13 May
6-8 wk
14 Jun
24 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
20 Apr
6-8 wk
10 Jun
0 wk
21 Jul
6 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
5 Apr
8-10 wk
8 Jun
0 wk
3 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
5 Apr – 3 May
8 May
6-10 wk
14 Jun
19 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
28 Jun
0 wk
9 Jun
18 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
5 – 19 Apr
17 Apr
8-10 wk
14 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Apr
30 Apr
6-8 wk
8 Jun
11 Jun
0 wk
21 Jun
2 wk after