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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 128 days 2 Jun – 8 Oct
Probability that frost is over

90% = 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)
14 – 28 Apr
14 Jun
5-7 wk
2 Jun
19 Jul
0 wk
3 Jun
9 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
26 Jun
4-6 wk
2 Jun
24 Jul
0 wk
3 Jun
14 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
9 Jun
5-7 wk
2 Jun
14 Jul
0 wk
2 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
11 – 18 May
3-4 wk
8 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
6 Jun
4-5 wk
4 Jul
4 Jul
5 wk after
15 Jul
6 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)
10 Mar – 7 Apr
30 Mar
8-12 wk
2 Jun
0 wk
15 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
14 Jun
0 wk
3 Jun
4 Jun
0 wk
Maize
Zea mays
Season too short
5 – 12 May
3-4 wk
2 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
3 Jul
3-4 wk
4 Jun
24 Jul
0 wk
15 Jun
14 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
4 Jul
0 wk
2 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
9 Jun
5-7 wk
2 Jun
14 Jul
0 wk
2 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
1 – 15 May
29 May
4-6 wk
12 Jun
26 Jun
1 wk after
12 Jun
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
19 Jun
5-7 wk
2 Jun
24 Jul
0 wk
3 Jun
14 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
11 – 18 May
30 May
3-4 wk
8 Jun
20 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
8 Jun
3-4 wk
4 Jun
29 Jun
0 wk
15 Jun
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
21 Jun
4-6 wk
2 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
8 Jul
3-4 wk
2 Jun
29 Jul
0 wk
3 Jun
19 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
21 Jun
4-6 wk
2 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 May
31 May
2-4 wk
2 Jun
14 Jun
0 wk
2 Jun
4 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
14 Jun
0 wk
3 Jun
4 Jun
0 wk
Spinach
Spinacia oleracea
5 – 12 May
23 Jul
3-4 wk
2 Jun
13 Aug
0 wk
30 May
3 Aug
0 wk
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
7 – 21 Apr
6-8 wk
2 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
11 – 25 May
13 May
2-4 wk
8 Jun
1 wk after
27 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
21 Jun
4-6 wk
2 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
23 Jun
3-4 wk
2 Jun
14 Jul
0 wk
3 Jun
4 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
Greenhouse
27 Apr – 11 May
8 May
4-6 wk
8 Jun
1 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
19 May
8-10 wk
2 Jun
14 Jul
0 wk
27 Jun
4 Jul
4 wk after
Dill
Anethum graveolens
3 Jun
24 Jul
0 wk
Wild chives
Allium schoenoprasum
7 – 21 Apr
2 Jun
6-8 wk
2 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Spearmint
Mentha spicata
10 Mar – 7 Apr
19 May
8-12 wk
2 Jun
14 Jul
0 wk
27 Jun
4 Jul
4 wk after
Coriander
Coriandrum sativum
2 Jun
13 Aug
0 wk
15 Jun
3 Aug
2 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
4 May
8-10 wk
4 Jun
29 Jun
0 wk
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
9 May
8-10 wk
2 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
23 May
6-8 wk
2 Jun
4 Jul
0 wk
27 Jun
4 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
23 May
6-8 wk
2 Jun
4 Jul
0 wk
3 Jun
24 Jun
0 wk
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
5 Apr
10-14 wk
4 Jun
14 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
15 May
3-4 wk
8 Jun
1 wk after
Cornflower
Centaurea cyanus
2 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Statice
Limonium sinuatum
Fleece
30 Mar – 13 Apr
15 Apr
8-10 wk
8 Jun
10 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
29 Apr
6-8 wk
8 Jun
10 Jun
1 wk after
22 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
18 Apr – 2 May
6-8 wk
13 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
20 Apr – 18 May
18 May
4-8 wk
15 Jun
15 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
7 May
8-12 wk
4 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
13 – 27 Apr
9 May
6-8 wk
8 Jun
20 Jun
1 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
19 Apr
8-10 wk
4 Jun
14 Jun
0 wk
Love in a mist
Nigella damascena
2 Jun
29 Jun
0 wk
3 Jun
19 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
19 Apr
6-8 wk
8 Jun
1 wk after
22 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
19 Apr
8-12 wk
4 Jun
14 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
16 Mar – 13 Apr
20 Mar
8-12 wk
8 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
16 Mar – 13 Apr
31 Mar
8-12 wk
8 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
13 – 27 Apr
14 Apr
6-8 wk
8 Jun
1 wk after
Corn poppy
Papaver rhoeas
2 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
9 May
8-12 wk
2 Jun
4 Jul
0 wk
12 Jun
24 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 Apr
25 Apr
8-10 wk
15 Jun
20 Jun
2 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
30 May
5-8 wk
2 Jun
4 Jul
0 wk
Stock
Matthiola incana
7 – 21 Apr
2 Jun
6-8 wk
2 Jun
14 Jul
0 wk
15 Jun
4 Jul
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
3 May
6-8 wk
2 Jun
14 Jun
0 wk
15 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
1 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
19 May
8-10 wk
2 Jun
14 Jul
0 wk
12 Jun
4 Jul
1 wk after
Petunia
Petunia
Fleece
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
3 May
6-8 wk
4 Jun
14 Jun
0 wk
15 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
27 Apr – 11 May
8 May
4-6 wk
8 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
4 – 18 May
15 May
3-5 wk
8 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
27 Apr – 11 May
18 May
4-6 wk
8 Jun
15 Jun
1 wk after
27 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
23 Mar – 20 Apr
30 Apr
8-12 wk
15 Jun
25 Jun
2 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
19 Apr
8-12 wk
2 Jun
14 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
14 Jun
0 wk
3 Jun
4 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
23 May
6-8 wk
2 Jun
4 Jul
0 wk
17 May
24 Jun
2 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
6 Jun
4-6 wk
2 Jun
4 Jul
0 wk
15 Jun
24 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
17 Mar
10-12 wk
8 Jun
1 wk after
Sunflower
Helianthus annuus
18 – 25 May
13 Jun
3-4 wk
15 Jun
4 Jul
2 wk after
27 Jun
4 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
2 Jun
6-8 wk
15 Jun
14 Jul
2 wk after
15 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
6-8 wk
8 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
19 Apr
8-12 wk
2 Jun
14 Jun
0 wk
27 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
13 – 27 Apr
9 May
6-8 wk
8 Jun
20 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
23 May
6-8 wk
4 Jun
4 Jul
0 wk
15 Jul
6 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
9 Apr
8-10 wk
2 Jun
4 Jun
0 wk
27 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
30 Mar – 27 Apr
24 Apr
6-10 wk
8 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
9 May
8-10 wk
15 Jun
4 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
3 May
6-8 wk
2 Jun
14 Jun
0 wk
15 Jun
2 wk after