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Method
Rel. frost
Last spring frost (0°C) 12 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 87 days 12 Jun – 7 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)
24 Apr – 8 May
12 Jun
5-7 wk
12 Jun
17 Jul
0 wk
13 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 May
24 Jun
4-6 wk
12 Jun
22 Jul
0 wk
13 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
26 Mar – 23 Apr
30 Mar
8-12 wk
18 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Apr – 8 May
7 Jun
5-7 wk
12 Jun
12 Jul
0 wk
12 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
21 – 28 May
8 Jun
3-4 wk
18 Jun
29 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
21 – 28 May
1 Jun
4-5 wk
25 Jun
29 Jun
2 wk after
7 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 Jun
3-4 wk
21 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
20 Mar – 17 Apr
28 Mar
8-12 wk
12 Jun
0 wk
12 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
9 Jun
0 wk
9 Jun
0 wk
Maize
Zea mays
Fleece
21 – 28 May
3-4 wk
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 May
28 Jun
3-4 wk
14 Jun
19 Jul
0 wk
25 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Jun
2 Jul
0 wk
12 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Apr – 8 May
7 Jun
5-7 wk
12 Jun
12 Jul
0 wk
12 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
11 – 25 May
4-6 wk
22 Jun
1 wk after
22 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Apr – 8 May
17 Jun
5-7 wk
12 Jun
22 Jul
0 wk
13 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
28 May – 4 Jun
13 Jun
3-4 wk
25 Jun
4 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 May
3-4 wk
14 Jun
0 wk
25 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 May
19 Jun
4-6 wk
12 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
15 – 22 May
6 Jul
3-4 wk
12 Jun
27 Jul
0 wk
13 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 May
19 Jun
4-6 wk
12 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 – 29 May
15 May
2-4 wk
12 Jun
0 wk
12 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
9 Jun
0 wk
9 Jun
0 wk
Spinach
Spinacia oleracea
15 – 22 May
21 Jul
3-4 wk
12 Jun
11 Aug
0 wk
9 Jun
1 Aug
0 wk
Sweet potato
Ipomoea batatas
7 – 21 Jul
4-6 wk
18 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
23 Apr – 7 May
23 Apr
6-8 wk
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
21 May – 4 Jun
15 Jun
2-4 wk
18 Jun
29 Jun
1 wk after
7 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 May
19 Jun
4-6 wk
12 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
15 – 22 May
21 Jun
3-4 wk
12 Jun
12 Jul
0 wk
13 Jun
2 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
Fleece
14 – 28 May
22 May
4-6 wk
25 Jun
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Apr
17 May
8-10 wk
12 Jun
12 Jul
0 wk
7 Jul
4 wk after
Dill
Anethum graveolens
13 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
17 Apr – 1 May
31 May
6-8 wk
12 Jun
12 Jul
0 wk
13 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
20 Mar – 17 Apr
17 May
8-12 wk
12 Jun
12 Jul
0 wk
7 Jul
4 wk after
Coriander
Coriandrum sativum
12 Jun
8 Aug
0 wk
25 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
5 – 19 Apr
2 May
8-10 wk
14 Jun
27 Jun
0 wk
Common thyme
Thymus vulgaris
3 – 17 Apr
7 May
8-10 wk
12 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
17 Apr – 1 May
21 May
6-8 wk
12 Jun
2 Jul
0 wk
7 Jul
4 wk after
Parsley
Petroselinum crispum
17 Apr – 1 May
21 May
6-8 wk
12 Jun
2 Jul
0 wk
13 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
6 Mar – 3 Apr
3 Apr
10-14 wk
12 Jun
12 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
28 May – 4 Jun
29 May
3-4 wk
25 Jun
2 wk after
Cornflower
Centaurea cyanus
12 Jun
12 Jul
0 wk
13 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Fleece
9 – 23 Apr
25 Apr
8-10 wk
18 Jun
20 Jun
1 wk after
Sweet William
Dianthus barbatus
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
22 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
23 Apr – 7 May
9 May
6-8 wk
18 Jun
20 Jun
1 wk after
1 Aug
7 wk after
Pinnate dahlia
Dahlia × pinnata
28 Apr – 12 May
6 May
6-8 wk
23 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
30 Apr – 28 May
4 Jun
4-8 wk
25 Jun
2 Jul
2 wk after
25 Jun
2 wk after
Foxglove
Digitalis purpurea
3 – 17 Apr
8-10 wk
12 Jun
0 wk
25 Jun
2 wk after
Busy lizzie
Impatiens walleriana
21 Apr – 19 May
9 Jun
8-12 wk
14 Jul
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
30 Apr – 14 May
10 May
6-8 wk
25 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
14 – 28 May
4-6 wk
25 Jun
2 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Apr
14 Apr
8-10 wk
14 Jun
0 wk
Love in a mist
Nigella damascena
12 Jun
27 Jun
0 wk
13 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
23 Apr – 7 May
29 Apr
6-8 wk
18 Jun
1 wk after
1 Aug
7 wk after
Purple-top vervain
Verbena bonariensis
22 Mar – 19 Apr
14 Apr
8-12 wk
14 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
26 Mar – 23 Apr
22 Apr
8-12 wk
18 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
23 Apr – 7 May
6 May
6-8 wk
18 Jun
1 wk after
Corn poppy
Papaver rhoeas
12 Jun
12 Jul
0 wk
13 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
20 Mar – 17 Apr
7 May
8-12 wk
12 Jun
2 Jul
0 wk
22 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
16 – 30 Apr
5 May
8-10 wk
25 Jun
30 Jun
2 wk after
Sweet pea
Lathyrus odoratus
17 Apr – 8 May
28 May
5-8 wk
12 Jun
2 Jul
0 wk
Stock
Matthiola incana
17 Apr – 1 May
31 May
6-8 wk
12 Jun
12 Jul
0 wk
25 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
17 Apr – 1 May
1 May
6-8 wk
12 Jun
12 Jun
0 wk
25 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
7 – 21 May
15 May
4-6 wk
18 Jun
1 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Apr
17 May
8-10 wk
12 Jun
12 Jul
0 wk
22 Jun
2 Jul
1 wk after
Petunia
Petunia
Fleece
26 Mar – 23 Apr
25 Apr
8-12 wk
18 Jun
20 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Apr – 3 May
28 Apr
6-8 wk
14 Jun
0 wk
25 Jul
6 wk after
Common zinnia
Zinnia elegans
14 – 28 May
22 May
4-6 wk
25 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
21 May – 4 Jun
29 May
3-5 wk
25 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
7 – 21 May
4 Jun
4-6 wk
18 Jun
2 Jul
1 wk after
7 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
2 – 30 Apr
22 May
8-12 wk
25 Jun
17 Jul
2 wk after
Bee balm
Monarda didyma
20 Mar – 17 Apr
17 Apr
8-12 wk
12 Jun
12 Jun
0 wk
7 Jul
4 wk after
Yarrow
Achillea millefolium
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
25 Jun
2 wk after
Safflower
Carthamus tinctorius
12 Jun
12 Jun
0 wk
13 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
17 Apr – 1 May
21 May
6-8 wk
12 Jun
2 Jul
0 wk
27 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
1 – 15 May
4 Jun
4-6 wk
12 Jun
2 Jul
0 wk
25 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
26 Mar – 9 Apr
3 Apr
10-12 wk
18 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
21 – 28 May
11 Jun
3-4 wk
18 Jun
2 Jul
1 wk after
25 Jun
2 wk after
China aster
Callistephus chinensis
30 Apr – 14 May
12 May
6-8 wk
25 Jun
2 wk after
25 Jul
6 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
10 May
6-8 wk
18 Jun
21 Jun
1 wk after
25 Jul
6 wk after
Hollyhock
Alcea rosea
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
25 Jun
2 wk after
Alpine delphinium
Delphinium elatum
20 Mar – 17 Apr
17 Apr
8-12 wk
12 Jun
12 Jun
0 wk
7 Jul
4 wk after
African marigold
Tagetes erecta
30 Apr – 14 May
10 May
6-8 wk
25 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
19 Apr – 3 May
2 May
6-8 wk
14 Jun
0 wk
25 Jul
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Apr
7 Apr
8-10 wk
12 Jun
0 wk
7 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
16 Apr – 14 May
8 May
6-10 wk
25 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
12 Jun
12 Jul
0 wk
13 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
9 – 23 Apr
4 May
8-10 wk
18 Jun
29 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
17 Apr – 1 May
1 May
6-8 wk
12 Jun
12 Jun
0 wk
25 Jun
2 wk after