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Method
Rel. frost
Last spring frost (0°C) 5 Jun Normal year · 20 years of data
Frost-free season 108 days 5 Jun – 21 Sep
Probability that frost is over

50% = Half of years are frost-free by this date. More about frost & season →

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