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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 136 days 3 Jun – 17 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)
15 – 29 Apr
21 Jun
5-7 wk
3 Jun
26 Jul
0 wk
28 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
3 Jul
4-6 wk
3 Jun
31 Jul
0 wk
28 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
17 Mar – 14 Apr
29 Mar
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
16 Jun
5-7 wk
3 Jun
21 Jul
0 wk
21 May
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
19 – 26 May
23 May
3-4 wk
16 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
31 May – 7 Jun
13 Jun
4-5 wk
5 Jul
11 Jul
5 wk after
14 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Mar – 8 Apr
6 Apr
8-12 wk
3 Jun
0 wk
16 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 May
21 Jun
1 wk before
28 May
11 Jun
1 wk before
Maize
Zea mays
Fleece
12 – 19 May
13 May
3-4 wk
9 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
10 Jul
3-4 wk
5 Jun
31 Jul
0 wk
16 Jun
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
11 Jul
0 wk
21 May
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
16 Jun
5-7 wk
3 Jun
21 Jul
0 wk
21 May
11 Jul
2 wk before
Potato
Solanum tuberosum
27 Apr – 11 May
13 Jun
4-6 wk
8 Jun
11 Jul
1 wk after
8 Jun
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
26 Jun
5-7 wk
3 Jun
31 Jul
0 wk
28 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
7 – 14 Jun
3-4 wk
5 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
9 Jul
3-4 wk
5 Jun
30 Jul
0 wk
16 Jun
20 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
28 Jun
4-6 wk
3 Jun
26 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
15 Jul
3-4 wk
3 Jun
5 Aug
0 wk
28 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
28 Jun
4-6 wk
3 Jun
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Apr – 7 May
7 Jun
2-4 wk
21 May
21 Jun
2 wk before
21 May
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 May
21 Jun
1 wk before
28 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
6 – 13 May
30 Jul
3-4 wk
3 Jun
20 Aug
0 wk
14 May
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
14 – 28 Apr
22 Apr
6-8 wk
9 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
19 May – 2 Jun
30 May
2-4 wk
16 Jun
2 wk after
14 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
28 Jun
4-6 wk
3 Jun
26 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
30 Jun
3-4 wk
3 Jun
21 Jul
0 wk
28 May
11 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
24 May – 7 Jun
4-6 wk
5 Jul
5 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
26 May
8-10 wk
3 Jun
21 Jul
0 wk
29 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
28 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
8 – 22 Apr
9 Jun
6-8 wk
3 Jun
21 Jul
0 wk
28 May
11 Jul
1 wk before
Spearmint
Mentha spicata
11 Mar – 8 Apr
26 May
8-12 wk
3 Jun
21 Jul
0 wk
29 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
3 Jun
20 Aug
0 wk
16 Jun
10 Aug
2 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
11 May
8-10 wk
5 Jun
6 Jul
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
16 May
8-10 wk
3 Jun
11 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
30 May
6-8 wk
3 Jun
11 Jul
0 wk
29 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
30 May
6-8 wk
3 Jun
11 Jul
0 wk
28 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
12 Apr
10-14 wk
5 Jun
21 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
7 – 14 Jun
3-4 wk
5 Jul
5 wk after
Cornflower
Centaurea cyanus
3 Jun
21 Jul
0 wk
28 May
11 Jul
1 wk before
Statice
Limonium sinuatum
7 – 21 Apr
29 Apr
8-10 wk
16 Jun
24 Jun
2 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
8 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Apr – 5 May
13 May
6-8 wk
16 Jun
24 Jun
2 wk after
16 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
19 Apr – 3 May
15 May
6-8 wk
14 Jun
26 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
4 May – 1 Jun
29 May
4-8 wk
29 Jun
4 wk after
29 Jun
4 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
16 Jun
2 wk after
Busy lizzie
Impatiens walleriana
12 Apr – 10 May
5 Jun
8-12 wk
5 Jul
31 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
23 May
6-8 wk
16 Jun
4 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
2 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
26 Apr
8-10 wk
5 Jun
21 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
6 Jul
0 wk
28 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
21 Apr – 5 May
3 May
6-8 wk
16 Jun
2 wk after
16 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
26 Apr
8-12 wk
5 Jun
21 Jun
0 wk
Cardoon
Cynara cardunculus
24 Mar – 21 Apr
27 Mar
8-12 wk
16 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
24 Mar – 21 Apr
10 Apr
8-12 wk
16 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
21 Apr – 5 May
24 Apr
6-8 wk
16 Jun
2 wk after
Corn poppy
Papaver rhoeas
3 Jun
21 Jul
0 wk
28 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
16 May
8-12 wk
3 Jun
11 Jul
0 wk
8 Jun
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
26 Apr – 10 May
9 May
8-10 wk
5 Jul
5 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
6 Jun
5-8 wk
3 Jun
11 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
9 Jun
6-8 wk
3 Jun
21 Jul
0 wk
16 Jun
11 Jul
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
10 May
6-8 wk
3 Jun
21 Jun
0 wk
16 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
5 – 19 May
4-6 wk
16 Jun
2 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
26 May
8-10 wk
3 Jun
21 Jul
0 wk
8 Jun
11 Jul
1 wk after
Petunia
Petunia
24 Mar – 21 Apr
29 Apr
8-12 wk
16 Jun
24 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
10 May
6-8 wk
5 Jun
21 Jun
0 wk
14 Jul
6 wk after
Common zinnia
Zinnia elegans
5 – 19 May
18 May
4-6 wk
16 Jun
2 wk after
Common morning glory
Ipomoea purpurea
31 May – 14 Jun
3-5 wk
5 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
29 May
4-6 wk
16 Jun
26 Jun
2 wk after
14 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
3 – 31 May
8-12 wk
26 Jul
8 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
26 Apr
8-12 wk
3 Jun
21 Jun
0 wk
29 Jun
4 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
10 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Safflower
Carthamus tinctorius
3 Jun
21 Jun
0 wk
28 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
30 May
6-8 wk
3 Jun
11 Jul
0 wk
18 Apr
1 Jul
7 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
13 Jun
4-6 wk
3 Jun
11 Jul
0 wk
16 Jun
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
24 Mar – 7 Apr
28 Mar
10-12 wk
16 Jun
2 wk after
Sunflower
Helianthus annuus
19 – 26 May
20 Jun
3-4 wk
16 Jun
11 Jul
2 wk after
29 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
9 Jun
6-8 wk
16 Jun
21 Jul
2 wk after
14 Jul
6 wk after
Annual phlox
Phlox drummondii
14 – 28 Apr
23 May
6-8 wk
9 Jun
4 Jul
1 wk after
14 Jul
6 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
26 Apr
8-12 wk
3 Jun
21 Jun
0 wk
29 Jun
4 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
23 May
6-8 wk
16 Jun
4 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
14 Jul
6 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
16 Apr
8-10 wk
3 Jun
11 Jun
0 wk
29 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
26 Apr – 24 May
6-10 wk
5 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
21 Jul
0 wk
28 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
7 – 21 Apr
16 May
8-10 wk
16 Jun
11 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
10 May
6-8 wk
3 Jun
21 Jun
0 wk
16 Jun
2 wk after