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Method
Rel. frost
Last spring frost (0°C) 8 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 110 days 8 Jun – 26 Sep
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)
20 Apr – 4 May
10 Jun
5-7 wk
8 Jun
15 Jul
0 wk
9 Jun
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
22 Jun
4-6 wk
8 Jun
20 Jul
0 wk
9 Jun
10 Jul
0 wk
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
5 Jun
5-7 wk
8 Jun
10 Jul
0 wk
8 Jun
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
3-4 wk
14 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
5 – 12 Jun
4-5 wk
10 Jul
5 wk after
21 Jul
6 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)
Greenhouse
16 Mar – 13 Apr
26 Mar
8-12 wk
8 Jun
0 wk
8 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
9 Jun
0 wk
9 Jun
0 wk
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
29 Jun
3-4 wk
10 Jun
20 Jul
0 wk
21 Jun
10 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
30 Jun
0 wk
8 Jun
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Apr – 4 May
5 Jun
5-7 wk
8 Jun
10 Jul
0 wk
8 Jun
30 Jun
0 wk
Potato
Solanum tuberosum
7 – 21 May
19 May
4-6 wk
18 Jun
1 wk after
18 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
15 Jun
5-7 wk
8 Jun
20 Jul
0 wk
9 Jun
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
17 – 24 May
22 May
3-4 wk
14 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 May
31 May
3-4 wk
10 Jun
21 Jun
0 wk
21 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
17 Jun
4-6 wk
8 Jun
15 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 May
4 Jul
3-4 wk
8 Jun
25 Jul
0 wk
9 Jun
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
17 Jun
4-6 wk
8 Jun
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 May
27 May
2-4 wk
8 Jun
10 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Jun
0 wk
9 Jun
0 wk
Spinach
Spinacia oleracea
11 – 18 May
19 Jul
3-4 wk
8 Jun
9 Aug
0 wk
5 Jun
30 Jul
0 wk
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
10 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
Fleece
17 – 31 May
2-4 wk
14 Jun
1 wk after
3 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
17 Jun
4-6 wk
8 Jun
15 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 May
19 Jun
3-4 wk
8 Jun
10 Jul
0 wk
9 Jun
30 Jun
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
3 – 17 May
4-6 wk
14 Jun
1 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
15 May
8-10 wk
8 Jun
10 Jul
0 wk
3 Jul
4 wk after
Dill
Anethum graveolens
9 Jun
20 Jul
0 wk
Wild chives
Allium schoenoprasum
13 – 27 Apr
29 May
6-8 wk
8 Jun
10 Jul
0 wk
9 Jun
30 Jun
0 wk
Spearmint
Mentha spicata
16 Mar – 13 Apr
15 May
8-12 wk
8 Jun
10 Jul
0 wk
3 Jul
4 wk after
Coriander
Coriandrum sativum
8 Jun
9 Aug
0 wk
21 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
30 Apr
8-10 wk
10 Jun
25 Jun
0 wk
Common thyme
Thymus vulgaris
30 Mar – 13 Apr
5 May
8-10 wk
8 Jun
30 Jun
0 wk
Oregano
Origanum vulgare
13 – 27 Apr
19 May
6-8 wk
8 Jun
30 Jun
0 wk
3 Jul
4 wk after
Parsley
Petroselinum crispum
13 – 27 Apr
19 May
6-8 wk
8 Jun
30 Jun
0 wk
9 Jun
20 Jun
0 wk
Rosemary
Salvia rosmarinus
4 Mar – 1 Apr
1 Apr
10-14 wk
10 Jun
10 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
17 – 24 May
3-4 wk
14 Jun
1 wk after
Cornflower
Centaurea cyanus
8 Jun
10 Jul
0 wk
9 Jun
30 Jun
0 wk
Statice
Limonium sinuatum
Fleece
5 – 19 Apr
12 Apr
8-10 wk
14 Jun
1 wk after
Sweet William
Dianthus barbatus
13 – 27 Apr
6-8 wk
8 Jun
0 wk
18 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
19 Apr – 3 May
26 Apr
6-8 wk
14 Jun
1 wk after
28 Jul
7 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
Greenhouse
19 Apr – 17 May
23 May
4-8 wk
14 Jun
20 Jun
1 wk after
14 Jun
1 wk after
Foxglove
Digitalis purpurea
30 Mar – 13 Apr
8-10 wk
8 Jun
0 wk
21 Jun
2 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
8 May
8-12 wk
10 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
19 Apr – 3 May
6 May
6-8 wk
14 Jun
17 Jun
1 wk after
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
15 Apr
8-10 wk
10 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
8 Jun
25 Jun
0 wk
9 Jun
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
19 Apr – 3 May
6-8 wk
14 Jun
1 wk after
28 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
15 Apr
8-12 wk
10 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
22 Mar – 19 Apr
8-12 wk
14 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
22 Mar – 19 Apr
23 Mar
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
10 Jul
0 wk
9 Jun
30 Jun
0 wk
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
5 May
8-12 wk
8 Jun
30 Jun
0 wk
18 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
12 – 26 Apr
22 Apr
8-10 wk
21 Jun
2 wk after
Sweet pea
Lathyrus odoratus
13 Apr – 4 May
26 May
5-8 wk
8 Jun
30 Jun
0 wk
Stock
Matthiola incana
13 – 27 Apr
29 May
6-8 wk
8 Jun
10 Jul
0 wk
21 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Apr
29 Apr
6-8 wk
8 Jun
10 Jun
0 wk
21 Jun
2 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
15 May
8-10 wk
8 Jun
10 Jul
0 wk
18 Jun
30 Jun
1 wk after
Petunia
Petunia
Fleece
22 Mar – 19 Apr
12 Apr
8-12 wk
14 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
29 Apr
6-8 wk
10 Jun
10 Jun
0 wk
21 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
3 – 17 May
4-6 wk
14 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
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
3 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
29 Mar – 26 Apr
22 Apr
8-12 wk
21 Jun
2 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
3 Jul
4 wk after
Yarrow
Achillea millefolium
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Safflower
Carthamus tinctorius
8 Jun
10 Jun
0 wk
9 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Apr
19 May
6-8 wk
8 Jun
30 Jun
0 wk
23 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
27 Apr – 11 May
2 Jun
4-6 wk
8 Jun
30 Jun
0 wk
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Mar – 5 Apr
10-12 wk
14 Jun
1 wk after
Sunflower
Helianthus annuus
24 – 31 May
9 Jun
3-4 wk
21 Jun
30 Jun
2 wk after
3 Jul
4 wk after
China aster
Callistephus chinensis
26 Apr – 10 May
29 May
6-8 wk
21 Jun
10 Jul
2 wk after
21 Jul
6 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
6-8 wk
14 Jun
1 wk after
21 Jul
6 wk after
Hollyhock
Alcea rosea
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Alpine delphinium
Delphinium elatum
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
0 wk
3 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
19 Apr – 3 May
6 May
6-8 wk
14 Jun
17 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
19 May
6-8 wk
10 Jun
30 Jun
0 wk
21 Jul
6 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
5 Apr
8-10 wk
8 Jun
0 wk
3 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
5 Apr – 3 May
16 Apr
6-10 wk
14 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
10 Jul
0 wk
9 Jun
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
12 – 26 Apr
5 May
8-10 wk
21 Jun
30 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Apr
29 Apr
6-8 wk
8 Jun
10 Jun
0 wk
21 Jun
2 wk after