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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 108 days 3 Jun – 19 Sep
Probability that frost is over

75% = 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
16 Jun
5-7 wk
3 Jun
21 Jul
0 wk
7 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
28 Jun
4-6 wk
3 Jun
26 Jul
0 wk
7 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
17 Mar – 14 Apr
7 Apr
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
11 Jun
5-7 wk
3 Jun
16 Jul
0 wk
3 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
19 – 26 May
1 Jun
3-4 wk
16 Jun
22 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
31 May – 7 Jun
4-5 wk
5 Jul
5 wk after
22 Jul
7 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
26 Mar
8-12 wk
3 Jun
0 wk
24 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
10 Jun
1 wk after
7 Jun
1 wk after
Maize
Zea mays
Fleece
12 – 19 May
22 May
3-4 wk
9 Jun
12 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
29 Jun
3-4 wk
5 Jun
20 Jul
0 wk
24 Jun
10 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
6 Jul
0 wk
3 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
11 Jun
5-7 wk
3 Jun
16 Jul
0 wk
3 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
8 – 22 May
21 May
4-6 wk
19 Jun
2 wk after
19 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
21 Jun
5-7 wk
3 Jun
26 Jul
0 wk
7 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
7 – 14 Jun
3-4 wk
5 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
28 May
3-4 wk
5 Jun
18 Jun
0 wk
24 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
23 Jun
4-6 wk
3 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
10 Jul
3-4 wk
3 Jun
31 Jul
0 wk
7 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
23 Jun
4-6 wk
3 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
30 May
2-4 wk
3 Jun
13 Jun
0 wk
3 Jun
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
10 Jun
1 wk after
7 Jun
1 wk after
Spinach
Spinacia oleracea
6 – 13 May
25 Jul
3-4 wk
3 Jun
15 Aug
0 wk
30 May
5 Aug
1 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
1 May
6-8 wk
9 Jun
12 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
19 May – 2 Jun
8 Jun
2-4 wk
16 Jun
22 Jun
2 wk after
22 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
23 Jun
4-6 wk
3 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
25 Jun
3-4 wk
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
5 – 19 May
29 May
4-6 wk
16 Jun
26 Jun
2 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
21 May
8-10 wk
3 Jun
16 Jul
0 wk
8 Jul
5 wk after
Dill
Anethum graveolens
7 Jun
20 Jul
1 wk after
Wild chives
Allium schoenoprasum
8 – 22 Apr
4 Jun
6-8 wk
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
11 Mar – 8 Apr
21 May
8-12 wk
3 Jun
16 Jul
0 wk
8 Jul
5 wk after
Coriander
Coriandrum sativum
3 Jun
9 Aug
0 wk
24 Jun
30 Jul
3 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
6 May
8-10 wk
5 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
11 May
8-10 wk
3 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
25 May
6-8 wk
3 Jun
6 Jul
0 wk
8 Jul
5 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
25 May
6-8 wk
3 Jun
6 Jul
0 wk
7 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
29 Mar
10-14 wk
5 Jun
7 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
Fleece
19 – 26 May
5 Jun
3-4 wk
16 Jun
26 Jun
2 wk after
Cornflower
Centaurea cyanus
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
7 – 21 Apr
25 Apr
8-10 wk
16 Jun
20 Jun
2 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
19 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Apr – 5 May
9 May
6-8 wk
16 Jun
20 Jun
2 wk after
16 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
19 Apr – 3 May
17 May
6-8 wk
14 Jun
28 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
13 May – 10 Jun
31 May
4-8 wk
8 Jul
5 wk after
8 Jul
5 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
24 Jun
3 wk after
Busy lizzie
Impatiens walleriana
12 Apr – 10 May
16 Jun
8-12 wk
5 Jul
11 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
19 May
6-8 wk
16 Jun
30 Jun
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
15 Apr
8-10 wk
5 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
1 Jul
0 wk
7 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
21 Apr – 5 May
29 Apr
6-8 wk
16 Jun
2 wk after
16 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
15 Apr
8-12 wk
5 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
17 Mar – 14 Apr
22 Mar
8-12 wk
9 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
24 Mar – 21 Apr
21 Apr
8-12 wk
16 Jun
16 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
21 Apr – 5 May
5 May
6-8 wk
16 Jun
16 Jun
2 wk after
Corn poppy
Papaver rhoeas
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
11 May
8-12 wk
3 Jun
6 Jul
0 wk
19 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
26 Apr – 10 May
5 May
8-10 wk
5 Jul
5 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
1 Jun
5-8 wk
3 Jun
6 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
4 Jun
6-8 wk
3 Jun
16 Jul
0 wk
24 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
5 May
6-8 wk
3 Jun
16 Jun
0 wk
24 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
5 – 19 May
14 May
4-6 wk
16 Jun
2 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
21 May
8-10 wk
3 Jun
16 Jul
0 wk
19 Jun
6 Jul
2 wk after
Petunia
Petunia
24 Mar – 21 Apr
25 Apr
8-12 wk
16 Jun
20 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
29 Apr
6-8 wk
5 Jun
10 Jun
0 wk
22 Jul
7 wk after
Common zinnia
Zinnia elegans
5 – 19 May
29 May
4-6 wk
16 Jun
26 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
12 – 26 May
5 Jun
3-5 wk
16 Jun
26 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
31 May
4-6 wk
16 Jun
28 Jun
2 wk after
22 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
12 Apr – 10 May
21 May
8-12 wk
5 Jul
16 Jul
5 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
21 Apr
8-12 wk
3 Jun
16 Jun
0 wk
8 Jul
5 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Safflower
Carthamus tinctorius
3 Jun
16 Jun
0 wk
7 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
25 May
6-8 wk
3 Jun
6 Jul
0 wk
16 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
8 Jun
4-6 wk
3 Jun
6 Jul
0 wk
24 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
24 Mar – 7 Apr
30 Mar
10-12 wk
16 Jun
2 wk after
Sunflower
Helianthus annuus
19 – 26 May
6 Jun
3-4 wk
16 Jun
27 Jun
2 wk after
8 Jul
5 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
26 May
6-8 wk
16 Jun
7 Jul
2 wk after
22 Jul
7 wk after
Annual phlox
Phlox drummondii
14 – 28 Apr
19 May
6-8 wk
9 Jun
30 Jun
1 wk after
22 Jul
7 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
21 Apr
8-12 wk
3 Jun
16 Jun
0 wk
8 Jul
5 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
19 May
6-8 wk
16 Jun
30 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
16 May
6-8 wk
5 Jun
27 Jun
0 wk
22 Jul
7 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
11 Apr
8-10 wk
3 Jun
6 Jun
0 wk
8 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
7 Apr – 5 May
15 May
6-10 wk
16 Jun
26 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
7 – 21 Apr
27 Apr
8-10 wk
16 Jun
22 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
5 May
6-8 wk
3 Jun
16 Jun
0 wk
24 Jun
3 wk after