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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 114 days 2 Jun – 24 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)
14 – 28 Apr
16 Jun
5-7 wk
2 Jun
21 Jul
0 wk
26 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
28 Jun
4-6 wk
2 Jun
26 Jul
0 wk
26 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Apr
11 Jun
5-7 wk
2 Jun
16 Jul
0 wk
21 May
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
6 – 13 Jun
3-4 wk
4 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
1 Jun
4-5 wk
4 Jul
5 wk after
8 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)
10 Mar – 7 Apr
1 Apr
8-12 wk
2 Jun
0 wk
12 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 May
16 Jun
1 wk before
26 May
6 Jun
1 wk before
Maize
Zea mays
Fleece
11 – 18 May
30 May
3-4 wk
8 Jun
20 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
5 Jul
3-4 wk
4 Jun
26 Jul
0 wk
12 Jun
16 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
6 Jul
0 wk
21 May
26 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
11 Jun
5-7 wk
2 Jun
16 Jul
0 wk
21 May
6 Jul
2 wk before
Potato
Solanum tuberosum
26 Apr – 10 May
5 Jun
4-6 wk
7 Jun
3 Jul
1 wk after
7 Jun
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
21 Jun
5-7 wk
2 Jun
26 Jul
0 wk
26 May
16 Jul
1 wk before
Pumpkin
Cucurbita pepo
6 – 13 Jun
14 Jun
3-4 wk
4 Jul
5 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
16 Jun
3-4 wk
4 Jun
7 Jul
0 wk
12 Jun
27 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
23 Jun
4-6 wk
2 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
10 Jul
3-4 wk
2 Jun
31 Jul
0 wk
26 May
21 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
23 Jun
4-6 wk
2 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Apr – 7 May
2 Jun
2-4 wk
21 May
16 Jun
2 wk before
21 May
6 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 May
16 Jun
1 wk before
26 May
6 Jun
1 wk before
Spinach
Spinacia oleracea
5 – 12 May
25 Jul
3-4 wk
2 Jun
15 Aug
0 wk
15 May
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
29 Jun – 13 Jul
4-6 wk
10 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
13 – 27 Apr
9 May
6-8 wk
8 Jun
20 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
18 May – 1 Jun
16 Jun
2-4 wk
15 Jun
30 Jun
2 wk after
8 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
23 Jun
4-6 wk
2 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
25 Jun
3-4 wk
2 Jun
16 Jul
0 wk
26 May
6 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
23 May – 6 Jun
23 May
4-6 wk
4 Jul
5 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
21 May
8-10 wk
2 Jun
16 Jul
0 wk
23 Jun
6 Jul
3 wk after
Dill
Anethum graveolens
26 May
26 Jul
1 wk before
Wild chives
Allium schoenoprasum
7 – 21 Apr
4 Jun
6-8 wk
2 Jun
16 Jul
0 wk
26 May
6 Jul
1 wk before
Spearmint
Mentha spicata
10 Mar – 7 Apr
21 May
8-12 wk
2 Jun
16 Jul
0 wk
23 Jun
6 Jul
3 wk after
Coriander
Coriandrum sativum
2 Jun
15 Aug
0 wk
12 Jun
5 Aug
1 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
6 May
8-10 wk
4 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
11 May
8-10 wk
2 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
25 May
6-8 wk
2 Jun
6 Jul
0 wk
23 Jun
26 Jun
3 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
25 May
6-8 wk
2 Jun
6 Jul
0 wk
26 May
26 Jun
1 wk before
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
4 Apr
10-14 wk
4 Jun
13 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
6 – 13 Jun
3-4 wk
4 Jul
5 wk after
Cornflower
Centaurea cyanus
2 Jun
16 Jul
0 wk
26 May
6 Jul
1 wk before
Statice
Limonium sinuatum
6 – 20 Apr
5 May
8-10 wk
15 Jun
30 Jun
2 wk after
Sweet William
Dianthus barbatus
7 – 21 Apr
6-8 wk
2 Jun
0 wk
7 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
20 Apr – 4 May
19 May
6-8 wk
15 Jun
30 Jun
2 wk after
10 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
18 Apr – 2 May
21 May
6-8 wk
13 Jun
2 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
28 Apr – 26 May
4 Jun
4-8 wk
23 Jun
2 Jul
3 wk after
23 Jun
3 wk after
Foxglove
Digitalis purpurea
24 Mar – 7 Apr
8-10 wk
2 Jun
0 wk
12 Jun
1 wk after
Busy lizzie
Impatiens walleriana
11 Apr – 9 May
23 Jun
8-12 wk
4 Jul
18 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
20 Apr – 4 May
29 May
6-8 wk
15 Jun
10 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
4 – 18 May
6 May
4-6 wk
15 Jun
2 wk after
Chinese lantern
Physalis alkekengi
26 Mar – 9 Apr
21 Apr
8-10 wk
4 Jun
16 Jun
0 wk
Love in a mist
Nigella damascena
2 Jun
1 Jul
0 wk
26 May
21 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
20 Apr – 4 May
9 May
6-8 wk
15 Jun
20 Jun
2 wk after
10 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
21 Apr
8-12 wk
4 Jun
16 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
16 Mar – 13 Apr
22 Mar
8-12 wk
8 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
11 Apr – 9 May
15 Apr
8-12 wk
4 Jul
5 wk after
Globe amaranth
Gomphrena globosa
9 – 23 May
6-8 wk
4 Jul
5 wk after
Corn poppy
Papaver rhoeas
2 Jun
16 Jul
0 wk
26 May
6 Jul
1 wk before
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
11 May
8-12 wk
2 Jun
6 Jul
0 wk
7 Jun
26 Jun
1 wk after
Flossflower
Ageratum houstonianum
25 Apr – 9 May
15 May
8-10 wk
4 Jul
10 Jul
5 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
1 Jun
5-8 wk
2 Jun
6 Jul
0 wk
Stock
Matthiola incana
7 – 21 Apr
4 Jun
6-8 wk
2 Jun
16 Jul
0 wk
12 Jun
6 Jul
1 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
5 May
6-8 wk
2 Jun
16 Jun
0 wk
12 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
23 May – 6 Jun
4-6 wk
4 Jul
5 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
21 May
8-10 wk
2 Jun
16 Jul
0 wk
7 Jun
6 Jul
1 wk after
Petunia
Petunia
23 Mar – 20 Apr
5 May
8-12 wk
15 Jun
30 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
5 May
6-8 wk
4 Jun
16 Jun
0 wk
8 Jul
5 wk after
Common zinnia
Zinnia elegans
4 – 18 May
5 Jun
4-6 wk
15 Jun
3 Jul
2 wk after
Common morning glory
Ipomoea purpurea
30 May – 13 Jun
30 May
3-5 wk
4 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 May
4 Jun
4-6 wk
15 Jun
2 Jul
2 wk after
8 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
11 Apr – 9 May
28 May
8-12 wk
4 Jul
23 Jul
5 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
21 Apr
8-12 wk
2 Jun
16 Jun
0 wk
23 Jun
3 wk after
Yarrow
Achillea millefolium
7 – 21 Apr
6-8 wk
2 Jun
0 wk
12 Jun
1 wk after
Safflower
Carthamus tinctorius
2 Jun
16 Jun
0 wk
26 May
6 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
25 May
6-8 wk
2 Jun
6 Jul
0 wk
24 Apr
26 Jun
6 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
8 Jun
4-6 wk
2 Jun
6 Jul
0 wk
12 Jun
26 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
23 Mar – 6 Apr
3 Apr
10-12 wk
15 Jun
2 wk after
Sunflower
Helianthus annuus
18 – 25 May
12 Jun
3-4 wk
15 Jun
3 Jul
2 wk after
23 Jun
23 Jun
3 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
1 Jun
6-8 wk
15 Jun
13 Jul
2 wk after
8 Jul
5 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
29 May
6-8 wk
8 Jun
10 Jul
1 wk after
8 Jul
5 wk after
Hollyhock
Alcea rosea
7 – 21 Apr
6-8 wk
2 Jun
0 wk
12 Jun
1 wk after
Alpine delphinium
Delphinium elatum
10 Mar – 7 Apr
21 Apr
8-12 wk
2 Jun
16 Jun
0 wk
23 Jun
3 wk after
African marigold
Tagetes erecta
20 Apr – 4 May
29 May
6-8 wk
15 Jun
10 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
22 May
6-8 wk
4 Jun
3 Jul
0 wk
8 Jul
5 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
11 Apr
8-10 wk
2 Jun
6 Jun
0 wk
23 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
25 Apr – 23 May
9 May
6-10 wk
4 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
16 Jul
0 wk
26 May
6 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
4 May
8-10 wk
15 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
5 May
6-8 wk
2 Jun
16 Jun
0 wk
12 Jun
1 wk after