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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 127 days 3 Jun – 8 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)
15 – 29 Apr
18 Jun
5-7 wk
3 Jun
23 Jul
0 wk
27 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
30 Jun
4-6 wk
3 Jun
28 Jul
0 wk
27 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
13 Jun
5-7 wk
3 Jun
18 Jul
0 wk
22 May
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
12 – 19 May
3-4 wk
9 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
31 May – 7 Jun
4 Jun
4-5 wk
5 Jul
5 wk after
9 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Mar – 8 Apr
31 Mar
8-12 wk
3 Jun
0 wk
13 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
15 Jun
1 wk before
27 May
5 Jun
1 wk before
Maize
Zea mays
Season too short
6 – 13 May
3-4 wk
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
7 Jul
3-4 wk
5 Jun
28 Jul
0 wk
13 Jun
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
8 Jul
0 wk
22 May
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
13 Jun
5-7 wk
3 Jun
18 Jul
0 wk
22 May
8 Jul
2 wk before
Potato
Solanum tuberosum
27 Apr – 11 May
28 May
4-6 wk
8 Jun
25 Jun
1 wk after
8 Jun
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
23 Jun
5-7 wk
3 Jun
28 Jul
0 wk
27 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
12 – 19 May
26 May
3-4 wk
9 Jun
16 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
26 May
3-4 wk
5 Jun
16 Jun
0 wk
13 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
25 Jun
4-6 wk
3 Jun
23 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
12 Jul
3-4 wk
3 Jun
2 Aug
0 wk
27 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
25 Jun
4-6 wk
3 Jun
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
3 Jun
2-4 wk
22 May
17 Jun
2 wk before
22 May
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 May
15 Jun
1 wk before
27 May
5 Jun
1 wk before
Spinach
Spinacia oleracea
6 – 13 May
27 Jul
3-4 wk
3 Jun
17 Aug
0 wk
16 May
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
6 – 20 May
28 May
2-4 wk
3 Jun
11 Jun
0 wk
13 Jun
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
25 Jun
4-6 wk
3 Jun
23 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
27 Jun
3-4 wk
3 Jun
18 Jul
0 wk
27 May
8 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
Greenhouse
28 Apr – 12 May
4 May
4-6 wk
9 Jun
1 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
23 May
8-10 wk
3 Jun
18 Jul
0 wk
24 Jun
8 Jul
3 wk after
Dill
Anethum graveolens
27 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
8 – 22 Apr
6 Jun
6-8 wk
3 Jun
18 Jul
0 wk
27 May
8 Jul
1 wk before
Spearmint
Mentha spicata
11 Mar – 8 Apr
23 May
8-12 wk
3 Jun
18 Jul
0 wk
24 Jun
8 Jul
3 wk after
Coriander
Coriandrum sativum
3 Jun
17 Aug
0 wk
13 Jun
7 Aug
1 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
8 May
8-10 wk
5 Jun
3 Jul
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
13 May
8-10 wk
3 Jun
8 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
27 May
6-8 wk
3 Jun
8 Jul
0 wk
24 Jun
28 Jun
3 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
27 May
6-8 wk
3 Jun
8 Jul
0 wk
27 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
9 Apr
10-14 wk
5 Jun
18 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
12 – 19 May
3-4 wk
9 Jun
1 wk after
Cornflower
Centaurea cyanus
3 Jun
18 Jul
0 wk
27 May
8 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
31 Mar – 14 Apr
18 Apr
8-10 wk
9 Jun
13 Jun
1 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
8 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
14 – 28 Apr
2 May
6-8 wk
9 Jun
13 Jun
1 wk after
19 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
10 – 24 Apr
3 May
6-8 wk
5 Jun
14 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
18 Apr – 16 May
17 May
4-8 wk
13 Jun
14 Jun
1 wk after
13 Jun
1 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
13 Jun
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
24 Mar – 21 Apr
22 May
8-12 wk
16 Jun
17 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
14 – 28 Apr
12 May
6-8 wk
9 Jun
23 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
2 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
23 Apr
8-10 wk
5 Jun
18 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
3 Jul
0 wk
27 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
14 – 28 Apr
22 Apr
6-8 wk
9 Jun
1 wk after
19 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
23 Apr
8-12 wk
5 Jun
18 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
17 Mar – 14 Apr
24 Mar
8-12 wk
9 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
17 Mar – 14 Apr
27 Mar
8-12 wk
9 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
14 – 28 Apr
6-8 wk
9 Jun
1 wk after
Corn poppy
Papaver rhoeas
3 Jun
18 Jul
0 wk
27 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
13 May
8-12 wk
3 Jun
8 Jul
0 wk
8 Jun
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
7 – 21 Apr
28 Apr
8-10 wk
16 Jun
23 Jun
2 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
3 Jun
5-8 wk
3 Jun
8 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
6 Jun
6-8 wk
3 Jun
18 Jul
0 wk
13 Jun
8 Jul
1 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
7 May
6-8 wk
3 Jun
18 Jun
0 wk
13 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
23 May
8-10 wk
3 Jun
18 Jul
0 wk
8 Jun
8 Jul
1 wk after
Petunia
Petunia
Fleece
17 Mar – 14 Apr
18 Apr
8-12 wk
9 Jun
13 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
7 May
6-8 wk
5 Jun
18 Jun
0 wk
9 Jul
5 wk after
Common zinnia
Zinnia elegans
Fleece
28 Apr – 12 May
4 May
4-6 wk
9 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
5 – 19 May
11 May
3-5 wk
9 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
28 Apr – 12 May
17 May
4-6 wk
9 Jun
14 Jun
1 wk after
24 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
24 Mar – 21 Apr
26 Apr
8-12 wk
16 Jun
21 Jun
2 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
23 Apr
8-12 wk
3 Jun
18 Jun
0 wk
24 Jun
3 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
13 Jun
1 wk after
Safflower
Carthamus tinctorius
3 Jun
18 Jun
0 wk
27 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
27 May
6-8 wk
3 Jun
8 Jul
0 wk
25 Apr
28 Jun
6 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
10 Jun
4-6 wk
3 Jun
8 Jul
0 wk
13 Jun
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
17 – 31 Mar
10-12 wk
9 Jun
1 wk after
Sunflower
Helianthus annuus
19 – 26 May
17 Jun
3-4 wk
16 Jun
8 Jul
2 wk after
24 Jun
28 Jun
3 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
6 Jun
6-8 wk
16 Jun
18 Jul
2 wk after
9 Jul
5 wk after
Annual phlox
Phlox drummondii
Fleece
8 – 22 Apr
12 May
6-8 wk
3 Jun
23 Jun
0 wk
24 Jun
3 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
13 Jun
1 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
23 Apr
8-12 wk
3 Jun
18 Jun
0 wk
24 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
14 – 28 Apr
12 May
6-8 wk
9 Jun
23 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
9 Jul
5 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
13 Apr
8-10 wk
3 Jun
8 Jun
0 wk
24 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
31 Mar – 28 Apr
20 Apr
6-10 wk
9 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
18 Jul
0 wk
27 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
7 – 21 Apr
7 May
8-10 wk
16 Jun
2 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
7 May
6-8 wk
3 Jun
18 Jun
0 wk
13 Jun
1 wk after