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Method
Rel. frost
Last spring frost (0°C) 29 May Frost 1 of 10 years · 20 years of data
Frost-free season 125 days 29 May – 1 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)
10 – 24 Apr
17 Jun
5-7 wk
29 May
22 Jul
0 wk
22 May
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
29 Jun
4-6 wk
29 May
27 Jul
0 wk
22 May
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Apr
12 Jun
5-7 wk
29 May
17 Jul
0 wk
17 May
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
12 – 19 May
3-4 wk
9 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
4 Jun
4-5 wk
4 Jul
5 wk after
4 Jul
5 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)
6 Mar – 3 Apr
2 Apr
8-12 wk
29 May
0 wk
8 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
17 Jun
1 wk before
22 May
7 Jun
1 wk before
Maize
Zea mays
Season too short
1 – 8 May
3-4 wk
29 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
6 Jul
3-4 wk
4 Jun
27 Jul
1 wk after
8 Jun
17 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
7 Jul
0 wk
17 May
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Apr
12 Jun
5-7 wk
29 May
17 Jul
0 wk
17 May
7 Jul
2 wk before
Potato
Solanum tuberosum
22 Apr – 6 May
8 Jun
4-6 wk
3 Jun
6 Jul
1 wk after
3 Jun
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Apr
22 Jun
5-7 wk
29 May
27 Jul
0 wk
22 May
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
12 – 19 May
26 May
3-4 wk
9 Jun
16 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
15 Jun
3-4 wk
4 Jun
6 Jul
1 wk after
8 Jun
26 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
24 Jun
4-6 wk
29 May
22 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 May
11 Jul
3-4 wk
29 May
1 Aug
0 wk
22 May
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Apr – 1 May
24 Jun
4-6 wk
29 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
3 Jun
2-4 wk
17 May
17 Jun
2 wk before
17 May
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 May
17 Jun
1 wk before
22 May
7 Jun
1 wk before
Spinach
Spinacia oleracea
1 – 8 May
26 Jul
3-4 wk
29 May
16 Aug
0 wk
11 May
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
25 Jun – 9 Jul
4-6 wk
6 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
12 – 26 May
2-4 wk
9 Jun
2 wk after
19 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
24 Jun
4-6 wk
29 May
22 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 May
26 Jun
3-4 wk
29 May
17 Jul
0 wk
22 May
7 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Greenhouse
28 Apr – 12 May
4 May
4-6 wk
9 Jun
2 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
22 May
8-10 wk
29 May
17 Jul
0 wk
19 Jun
7 Jul
3 wk after
Dill
Anethum graveolens
22 May
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
3 – 17 Apr
5 Jun
6-8 wk
29 May
17 Jul
0 wk
22 May
7 Jul
1 wk before
Spearmint
Mentha spicata
6 Mar – 3 Apr
22 May
8-12 wk
29 May
17 Jul
0 wk
19 Jun
7 Jul
3 wk after
Coriander
Coriandrum sativum
29 May
16 Aug
0 wk
8 Jun
6 Aug
1 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
7 May
8-10 wk
4 Jun
2 Jul
1 wk after
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
12 May
8-10 wk
29 May
7 Jul
0 wk
Oregano
Origanum vulgare
3 – 17 Apr
26 May
6-8 wk
29 May
7 Jul
0 wk
19 Jun
27 Jun
3 wk after
Parsley
Petroselinum crispum
3 – 17 Apr
26 May
6-8 wk
29 May
7 Jul
0 wk
22 May
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
8 Apr
10-14 wk
4 Jun
17 Jun
1 wk after

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