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Method
Rel. frost
Last spring frost (0°C) 8 Jun Frost 3 of 4 years · 20 years of data
Frost-free season 82 days 8 Jun – 29 Aug
Probability that frost is over

25% = 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
22 Mar – 19 Apr
8-12 wk
14 Jun
1 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
17 – 24 May
3-4 wk
14 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
10 – 17 May
5 Jun
4-5 wk
14 Jun
3 Jul
1 wk after
29 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
16 Mar – 13 Apr
19 Mar
8-12 wk
8 Jun
0 wk
8 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
4 Jun
1 wk before
4 Jun
1 wk before
Maize
Zea mays
Season too short
11 – 18 May
3-4 wk
8 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
23 Jun
3-4 wk
10 Jun
14 Jul
0 wk
29 Jun
4 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
3 Jul
0 wk
8 Jun
23 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
Fleece
1 – 15 May
7 May
4-6 wk
12 Jun
1 wk after
12 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
18 Jun
5-7 wk
8 Jun
23 Jul
0 wk
12 Jun
13 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
17 – 24 May
3-4 wk
14 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
11 – 18 May
12 May
3-4 wk
8 Jun
0 wk
18 Jun
1 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
7 Jul
3-4 wk
8 Jun
28 Jul
0 wk
12 Jun
18 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
2-4 wk
8 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
4 Jun
1 wk before
4 Jun
1 wk before
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
13 – 27 Apr
6-8 wk
8 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
11 – 25 May
2-4 wk
8 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
22 Jun
3-4 wk
8 Jun
13 Jul
0 wk
12 Jun
3 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
Season too short
3 – 17 May
4-6 wk
14 Jun
1 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
18 May
8-10 wk
8 Jun
13 Jul
0 wk
13 Jul
5 wk after
Dill
Anethum graveolens
12 Jun
14 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
3 Aug
0 wk
29 Jun
24 Jul
3 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
5 May
8-10 wk
10 Jun
30 Jun
0 wk
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
Fleece
2 – 30 Mar
29 Mar
10-14 wk
8 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
Season too short
17 – 24 May
3-4 wk
14 Jun
1 wk after
Cornflower
Centaurea cyanus
8 Jun
15 Jul
0 wk
12 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
30 Mar – 13 Apr
21 Apr
8-10 wk
8 Jun
16 Jun
0 wk
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
Greenhouse
13 – 27 Apr
5 May
6-8 wk
8 Jun
16 Jun
0 wk
19 Jul
6 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
15 – 29 Apr
29 Apr
6-8 wk
10 Jun
10 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
4 May – 1 Jun
13 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
Greenhouse
22 Mar – 19 Apr
10 Jun
8-12 wk
14 Jun
5 Aug
1 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
13 – 27 Apr
15 May
6-8 wk
8 Jun
26 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
2 wk after
Chinese lantern
Physalis alkekengi
1 – 15 Apr
9 Apr
8-10 wk
10 Jun
0 wk
Love in a mist
Nigella damascena
8 Jun
28 Jun
0 wk
12 Jun
18 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
13 – 27 Apr
25 Apr
6-8 wk
8 Jun
0 wk
19 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
9 Apr
8-12 wk
10 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
16 Mar – 13 Apr
21 Mar
8-12 wk
8 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
1 wk after
Corn poppy
Papaver rhoeas
8 Jun
13 Jul
0 wk
12 Jun
3 Jul
1 wk after
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
8 May
8-12 wk
8 Jun
3 Jul
0 wk
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
5 – 19 Apr
1 May
8-10 wk
14 Jun
26 Jun
1 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
1 Jun
6-8 wk
8 Jun
13 Jul
0 wk
29 Jun
3 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
3 – 17 May
4-6 wk
14 Jun
1 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
Greenhouse
16 Mar – 13 Apr
21 Apr
8-12 wk
8 Jun
16 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
23 Apr
6-8 wk
10 Jun
0 wk
27 Jul
7 wk after
Common zinnia
Zinnia elegans
Greenhouse
27 Apr – 11 May
23 May
4-6 wk
8 Jun
20 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
10 – 24 May
3-5 wk
14 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
3 – 17 May
13 May
4-6 wk
14 Jun
1 wk after
13 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
29 Mar – 26 Apr
29 Mar
8-12 wk
21 Jun
2 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
18 Apr
8-12 wk
8 Jun
13 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
5 Jun
4-6 wk
8 Jun
3 Jul
0 wk
29 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Mar – 5 Apr
10-12 wk
14 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
17 – 24 May
6 Jun
3-4 wk
14 Jun
27 Jun
1 wk after
29 Jun
3 wk after
China aster
Callistephus chinensis
Fleece
19 Apr – 3 May
26 May
6-8 wk
14 Jun
7 Jul
1 wk after
13 Jul
5 wk after
Annual phlox
Phlox drummondii
Fleece
13 – 27 Apr
20 Apr
6-8 wk
8 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
18 Apr
8-12 wk
8 Jun
13 Jun
0 wk
13 Jul
5 wk after
African marigold
Tagetes erecta
Greenhouse
13 – 27 Apr
15 May
6-8 wk
8 Jun
26 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
6 May
6-8 wk
10 Jun
17 Jun
0 wk
27 Jul
7 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
8 Apr
8-10 wk
8 Jun
0 wk
13 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
5 Apr – 3 May
6-10 wk
14 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
7 Jul
0 wk
12 Jun
27 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
5 – 19 Apr
29 Apr
8-10 wk
14 Jun
24 Jun
1 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