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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 119 days 6 Jun – 3 Oct
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)
18 Apr – 2 May
14 Jun
5-7 wk
6 Jun
19 Jul
0 wk
10 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
26 Jun
4-6 wk
6 Jun
24 Jul
0 wk
10 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
9 Jun
5-7 wk
6 Jun
14 Jul
0 wk
6 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
24 – 31 May
3-4 wk
21 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
29 May – 5 Jun
6 Jun
4-5 wk
3 Jul
4 Jul
4 wk after
11 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
26 Jun – 3 Jul
3-4 wk
24 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Mar – 11 Apr
30 Mar
8-12 wk
6 Jun
0 wk
27 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 Jun
14 Jun
1 wk after
10 Jun
1 wk after
Maize
Zea mays
Season too short
10 – 17 May
3-4 wk
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 May
3 Jul
3-4 wk
14 Jun
24 Jul
1 wk after
27 Jun
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
4 Jul
0 wk
6 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
9 Jun
5-7 wk
6 Jun
14 Jul
0 wk
6 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
11 – 25 May
30 May
4-6 wk
22 Jun
27 Jun
2 wk after
22 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
19 Jun
5-7 wk
6 Jun
24 Jul
0 wk
10 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
24 – 31 May
26 May
3-4 wk
21 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 May
9 Jun
3-4 wk
14 Jun
30 Jun
1 wk after
27 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
8 Jul
3-4 wk
6 Jun
29 Jul
0 wk
10 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 May
31 May
2-4 wk
6 Jun
14 Jun
0 wk
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 Jun
14 Jun
1 wk after
10 Jun
1 wk after
Spinach
Spinacia oleracea
9 – 16 May
23 Jul
3-4 wk
6 Jun
13 Aug
0 wk
2 Jun
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
8 – 22 Jul
4-6 wk
19 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
12 – 26 Apr
6-8 wk
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
10 – 24 May
28 May
2-4 wk
7 Jun
11 Jun
0 wk
27 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
23 Jun
3-4 wk
6 Jun
14 Jul
0 wk
10 Jun
4 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
10 – 24 May
4-6 wk
21 Jun
2 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
19 May
8-10 wk
6 Jun
14 Jul
0 wk
11 Jul
5 wk after
Dill
Anethum graveolens
10 Jun
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
0 wk
10 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
14 Mar – 11 Apr
19 May
8-12 wk
6 Jun
14 Jul
0 wk
11 Jul
5 wk after
Coriander
Coriandrum sativum
6 Jun
13 Aug
0 wk
27 Jun
3 Aug
3 wk after
Garden sage
Salvia officinalis
5 – 19 Apr
4 May
8-10 wk
14 Jun
29 Jun
1 wk after
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
9 May
8-10 wk
6 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
11 Jul
5 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
10 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
8 Mar – 5 Apr
5 Apr
10-14 wk
14 Jun
14 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
24 – 31 May
3-4 wk
21 Jun
2 wk after
Cornflower
Centaurea cyanus
6 Jun
14 Jul
0 wk
10 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
12 – 26 Apr
8-10 wk
21 Jun
2 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
22 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
26 Apr – 10 May
6-8 wk
21 Jun
2 wk after
4 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
19 Apr – 3 May
29 Apr
6-8 wk
14 Jun
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
2 – 30 May
13 May
4-8 wk
27 Jun
3 wk after
27 Jun
3 wk after
Foxglove
Digitalis purpurea
28 Mar – 11 Apr
8-10 wk
6 Jun
0 wk
27 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
10 Apr – 8 May
22 May
8-12 wk
3 Jul
17 Jul
4 wk after
Creeping zinnia
Sanvitalia procumbens
8 – 22 May
6-8 wk
3 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
4 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Apr
19 Apr
8-10 wk
14 Jun
14 Jun
1 wk after
Love in a mist
Nigella damascena
6 Jun
29 Jun
0 wk
10 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
12 – 26 Apr
19 Apr
6-8 wk
7 Jun
0 wk
17 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
1 wk after
Cardoon
Cynara cardunculus
10 Apr – 8 May
8-12 wk
3 Jul
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
2 wk after
Corn poppy
Papaver rhoeas
6 Jun
14 Jul
0 wk
10 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
9 May
8-12 wk
6 Jun
4 Jul
0 wk
22 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
24 Apr – 8 May
8-10 wk
3 Jul
4 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
30 May
5-8 wk
6 Jun
4 Jul
0 wk
Stock
Matthiola incana
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
0 wk
27 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
3 May
6-8 wk
6 Jun
14 Jun
0 wk
27 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
10 – 24 May
4-6 wk
21 Jun
2 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
19 May
8-10 wk
6 Jun
14 Jul
0 wk
22 Jun
4 Jul
2 wk after
Petunia
Petunia
Fleece
29 Mar – 26 Apr
1 Apr
8-12 wk
21 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Apr – 3 May
3 May
6-8 wk
14 Jun
14 Jun
1 wk after
25 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
10 – 24 May
4-6 wk
21 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
17 – 31 May
3-5 wk
21 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
10 – 24 May
13 May
4-6 wk
21 Jun
2 wk after
11 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
10 Apr – 8 May
26 Apr
8-12 wk
3 Jul
4 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
19 Apr
8-12 wk
6 Jun
14 Jun
0 wk
11 Jul
5 wk after
Yarrow
Achillea millefolium
11 – 25 Apr
6-8 wk
6 Jun
0 wk
27 Jun
3 wk after
Safflower
Carthamus tinctorius
6 Jun
14 Jun
0 wk
10 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
0 wk
19 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
6 Jun
4-6 wk
6 Jun
4 Jul
0 wk
27 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
29 Mar – 12 Apr
10-12 wk
21 Jun
2 wk after
Sunflower
Helianthus annuus
5 – 12 Jun
13 Jun
3-4 wk
3 Jul
4 Jul
4 wk after
11 Jul
5 wk after
China aster
Callistephus chinensis
8 – 22 May
2 Jun
6-8 wk
3 Jul
14 Jul
4 wk after
25 Jul
7 wk after
Annual phlox
Phlox drummondii
26 Apr – 10 May
6-8 wk
21 Jun
2 wk after
25 Jul
7 wk after
Hollyhock
Alcea rosea
11 – 25 Apr
6-8 wk
6 Jun
0 wk
27 Jun
3 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
19 Apr
8-12 wk
6 Jun
14 Jun
0 wk
11 Jul
5 wk after
African marigold
Tagetes erecta
8 – 22 May
6-8 wk
3 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
19 Apr – 3 May
23 May
6-8 wk
14 Jun
4 Jul
1 wk after
25 Jul
7 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
9 Apr
8-10 wk
6 Jun
0 wk
11 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
12 Apr – 10 May
20 Apr
6-10 wk
21 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
14 Jul
0 wk
10 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
24 Apr – 8 May
2 May
8-10 wk
3 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
3 May
6-8 wk
6 Jun
14 Jun
0 wk
27 Jun
3 wk after