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