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