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Method
Rel. frost
Last spring frost (0°C) 16 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 89 days 16 Jun – 13 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)
28 Apr – 12 May
11 Jun
5-7 wk
16 Jun
16 Jul
0 wk
17 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 May
23 Jun
4-6 wk
16 Jun
21 Jul
0 wk
17 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Apr – 12 May
6 Jun
5-7 wk
16 Jun
11 Jul
0 wk
16 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
25 May – 1 Jun
3 Jun
4-5 wk
29 Jun
1 Jul
2 wk after
11 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
27 Jun – 4 Jul
3-4 wk
25 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
0 wk
16 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
7 Jun
1 wk before
7 Jun
1 wk before
Maize
Zea mays
Season too short
19 – 26 May
3-4 wk
16 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 May
30 Jun
3-4 wk
18 Jun
21 Jul
0 wk
29 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 Jun
1 Jul
0 wk
16 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Apr – 12 May
6 Jun
5-7 wk
16 Jun
11 Jul
0 wk
16 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Greenhouse
2 – 16 May
18 May
4-6 wk
13 Jun
15 Jun
0 wk
13 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Apr – 12 May
16 Jun
5-7 wk
16 Jun
21 Jul
0 wk
17 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
25 May – 1 Jun
14 Jun
3-4 wk
22 Jun
5 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
19 – 26 May
3-4 wk
16 Jun
0 wk
22 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 May
18 Jun
4-6 wk
16 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
19 – 26 May
5 Jul
3-4 wk
16 Jun
26 Jul
0 wk
17 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 May
18 Jun
4-6 wk
16 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
3 – 17 May
28 May
2-4 wk
31 May
11 Jun
2 wk before
31 May
1 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
7 Jun
1 wk before
7 Jun
1 wk before
Spinach
Spinacia oleracea
19 – 26 May
20 Jul
3-4 wk
16 Jun
10 Aug
0 wk
13 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
11 – 25 Jul
4-6 wk
22 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
19 May – 2 Jun
16 Jun
2-4 wk
16 Jun
30 Jun
0 wk
29 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 May
18 Jun
4-6 wk
16 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
19 – 26 May
20 Jun
3-4 wk
16 Jun
11 Jul
0 wk
17 Jun
1 Jul
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Greenhouse
11 – 25 May
23 May
4-6 wk
22 Jun
1 wk after
Lemon balm
Melissa officinalis
7 – 21 Apr
16 May
8-10 wk
16 Jun
11 Jul
0 wk
11 Jul
4 wk after
Dill
Anethum graveolens
17 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
21 Apr – 5 May
30 May
6-8 wk
16 Jun
11 Jul
0 wk
17 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
24 Mar – 21 Apr
16 May
8-12 wk
16 Jun
11 Jul
0 wk
11 Jul
4 wk after
Coriander
Coriandrum sativum
16 Jun
10 Aug
0 wk
29 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
9 – 23 Apr
1 May
8-10 wk
18 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
7 – 21 Apr
6 May
8-10 wk
16 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
21 Apr – 5 May
20 May
6-8 wk
16 Jun
1 Jul
0 wk
11 Jul
4 wk after
Parsley
Petroselinum crispum
21 Apr – 5 May
20 May
6-8 wk
16 Jun
1 Jul
0 wk
17 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
10 Mar – 7 Apr
2 Apr
10-14 wk
16 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
Greenhouse
25 May – 1 Jun
30 May
3-4 wk
22 Jun
1 wk after
Cornflower
Centaurea cyanus
16 Jun
11 Jul
0 wk
17 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
7 – 21 Apr
29 Apr
8-10 wk
16 Jun
24 Jun
0 wk
Sweet William
Dianthus barbatus
21 Apr – 5 May
6-8 wk
16 Jun
0 wk
26 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
21 Apr – 5 May
13 May
6-8 wk
16 Jun
24 Jun
0 wk
18 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
23 Apr – 7 May
6 May
6-8 wk
18 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
27 Apr – 25 May
1 Jun
4-8 wk
22 Jun
29 Jun
1 wk after
22 Jun
1 wk after
Foxglove
Digitalis purpurea
7 – 21 Apr
8-10 wk
16 Jun
0 wk
29 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
6 Apr – 4 May
10 Jun
8-12 wk
29 Jun
5 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
27 Apr – 11 May
14 May
6-8 wk
22 Jun
25 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 May – 1 Jun
4-6 wk
29 Jun
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
7 – 21 Apr
16 Apr
8-10 wk
16 Jun
0 wk
Love in a mist
Nigella damascena
16 Jun
26 Jun
0 wk
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
21 Apr – 5 May
3 May
6-8 wk
16 Jun
0 wk
18 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
24 Mar – 21 Apr
16 Apr
8-12 wk
16 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
30 Mar – 27 Apr
15 Apr
8-12 wk
22 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
27 Apr – 11 May
29 Apr
6-8 wk
22 Jun
1 wk after
Corn poppy
Papaver rhoeas
16 Jun
11 Jul
0 wk
17 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
24 Mar – 21 Apr
6 May
8-12 wk
16 Jun
1 Jul
0 wk
26 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
13 – 27 Apr
9 May
8-10 wk
22 Jun
4 Jul
1 wk after
Sweet pea
Lathyrus odoratus
21 Apr – 12 May
27 May
5-8 wk
16 Jun
1 Jul
0 wk
Stock
Matthiola incana
21 Apr – 5 May
30 May
6-8 wk
16 Jun
11 Jul
0 wk
29 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Apr – 5 May
30 Apr
6-8 wk
16 Jun
0 wk
29 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 May
4-6 wk
22 Jun
1 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Apr
16 May
8-10 wk
16 Jun
11 Jul
0 wk
26 Jun
1 Jul
1 wk after
Petunia
Petunia
Greenhouse
24 Mar – 21 Apr
29 Apr
8-12 wk
16 Jun
24 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
Fleece
21 Apr – 5 May
30 Apr
6-8 wk
16 Jun
0 wk
11 Jul
4 wk after
Common zinnia
Zinnia elegans
Fleece
11 – 25 May
23 May
4-6 wk
22 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
18 May – 1 Jun
30 May
3-5 wk
22 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
5 – 19 May
1 Jun
4-6 wk
16 Jun
29 Jun
0 wk
29 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
6 Apr – 4 May
15 May
8-12 wk
29 Jun
10 Jul
2 wk after
Bee balm
Monarda didyma
24 Mar – 21 Apr
16 Apr
8-12 wk
16 Jun
0 wk
11 Jul
4 wk after
Yarrow
Achillea millefolium
21 Apr – 5 May
6-8 wk
16 Jun
0 wk
29 Jun
2 wk after
Safflower
Carthamus tinctorius
16 Jun
0 wk
17 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
21 Apr – 5 May
20 May
6-8 wk
16 Jun
1 Jul
0 wk
31 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
5 – 19 May
3 Jun
4-6 wk
16 Jun
1 Jul
0 wk
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
30 Mar – 13 Apr
10-12 wk
22 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
25 May – 1 Jun
10 Jun
3-4 wk
22 Jun
1 Jul
1 wk after
29 Jun
2 wk after
China aster
Callistephus chinensis
4 – 18 May
24 May
6-8 wk
29 Jun
5 Jul
2 wk after
29 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
21 Apr – 5 May
14 May
6-8 wk
16 Jun
25 Jun
0 wk
11 Jul
4 wk after
Hollyhock
Alcea rosea
21 Apr – 5 May
6-8 wk
16 Jun
0 wk
29 Jun
2 wk after
Alpine delphinium
Delphinium elatum
24 Mar – 21 Apr
16 Apr
8-12 wk
16 Jun
0 wk
11 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
27 Apr – 11 May
14 May
6-8 wk
22 Jun
25 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
23 Apr – 7 May
14 May
6-8 wk
18 Jun
25 Jun
0 wk
29 Jul
6 wk after
Wood sage
Salvia nemorosa
7 – 21 Apr
8-10 wk
16 Jun
0 wk
11 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
13 Apr – 11 May
9 May
6-10 wk
22 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
16 Jun
11 Jul
0 wk
17 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
13 – 27 Apr
6 May
8-10 wk
22 Jun
1 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
21 Apr – 5 May
30 Apr
6-8 wk
16 Jun
0 wk
29 Jun
2 wk after