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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 125 days 5 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)
17 Apr – 1 May
18 Jun
5-7 wk
5 Jun
23 Jul
0 wk
29 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
30 Jun
4-6 wk
5 Jun
28 Jul
0 wk
29 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
13 Jun
5-7 wk
5 Jun
18 Jul
0 wk
24 May
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
14 – 21 May
3-4 wk
11 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
8 Jun
4-5 wk
7 Jul
5 wk after
11 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Mar – 10 Apr
1 Apr
8-12 wk
5 Jun
0 wk
15 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
16 Jun
1 wk before
29 May
6 Jun
1 wk before
Maize
Zea mays
Season too short
8 – 15 May
3-4 wk
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
7 Jul
3-4 wk
7 Jun
28 Jul
0 wk
15 Jun
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
8 Jul
0 wk
24 May
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
13 Jun
5-7 wk
5 Jun
18 Jul
0 wk
24 May
8 Jul
2 wk before
Potato
Solanum tuberosum
29 Apr – 13 May
28 May
4-6 wk
10 Jun
25 Jun
1 wk after
10 Jun
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
23 Jun
5-7 wk
5 Jun
28 Jul
0 wk
29 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
14 – 21 May
25 May
3-4 wk
11 Jun
15 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
25 May
3-4 wk
7 Jun
15 Jun
0 wk
15 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
25 Jun
4-6 wk
5 Jun
23 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
12 Jul
3-4 wk
5 Jun
2 Aug
0 wk
29 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
25 Jun
4-6 wk
5 Jun
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Apr – 10 May
3 Jun
2-4 wk
24 May
17 Jun
2 wk before
24 May
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 May
16 Jun
1 wk before
29 May
6 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 May
27 Jul
3-4 wk
5 Jun
17 Aug
0 wk
18 May
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jul
4-6 wk
13 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
10 – 24 Apr
6-8 wk
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
8 – 22 May
27 May
2-4 wk
5 Jun
10 Jun
0 wk
15 Jun
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
25 Jun
4-6 wk
5 Jun
23 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
27 Jun
3-4 wk
5 Jun
18 Jul
0 wk
29 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
30 Apr – 14 May
3 May
4-6 wk
11 Jun
1 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
23 May
8-10 wk
5 Jun
18 Jul
0 wk
26 Jun
8 Jul
3 wk after
Dill
Anethum graveolens
29 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
10 – 24 Apr
6 Jun
6-8 wk
5 Jun
18 Jul
0 wk
29 May
8 Jul
1 wk before
Spearmint
Mentha spicata
13 Mar – 10 Apr
23 May
8-12 wk
5 Jun
18 Jul
0 wk
26 Jun
8 Jul
3 wk after
Coriander
Coriandrum sativum
5 Jun
17 Aug
0 wk
15 Jun
7 Aug
1 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
8 May
8-10 wk
7 Jun
3 Jul
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
13 May
8-10 wk
5 Jun
8 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
26 Jun
28 Jun
3 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
29 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
1 – 29 Mar
9 Apr
10-14 wk
7 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
14 – 21 May
3-4 wk
11 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
18 Jul
0 wk
29 May
8 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
2 – 16 Apr
21 Apr
8-10 wk
11 Jun
16 Jun
1 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
10 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
16 – 30 Apr
5 May
6-8 wk
11 Jun
16 Jun
1 wk after
21 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
12 – 26 Apr
15 May
6-8 wk
7 Jun
26 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
20 Apr – 18 May
29 May
4-8 wk
15 Jun
26 Jun
1 wk after
15 Jun
16 Jun
1 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
15 Jun
1 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
24 Apr
8-12 wk
7 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
6-8 wk
18 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
23 Apr
8-10 wk
7 Jun
18 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
3 Jul
0 wk
29 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
25 Apr
6-8 wk
11 Jun
1 wk after
21 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
23 Apr
8-12 wk
7 Jun
18 Jun
0 wk
Cardoon
Cynara cardunculus
26 Mar – 23 Apr
8-12 wk
18 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
19 Mar – 16 Apr
26 Mar
8-12 wk
11 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
16 – 30 Apr
6-8 wk
11 Jun
1 wk after
Corn poppy
Papaver rhoeas
5 Jun
18 Jul
0 wk
29 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
13 May
8-12 wk
5 Jun
8 Jul
0 wk
10 Jun
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
1 May
8-10 wk
18 Jun
26 Jun
2 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
3 Jun
5-8 wk
5 Jun
8 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
6 Jun
6-8 wk
5 Jun
18 Jul
0 wk
15 Jun
8 Jul
1 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
7 May
6-8 wk
5 Jun
18 Jun
0 wk
15 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
1 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
23 May
8-10 wk
5 Jun
18 Jul
0 wk
10 Jun
8 Jul
1 wk after
Petunia
Petunia
Fleece
19 Mar – 16 Apr
21 Apr
8-12 wk
11 Jun
16 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
7 May
6-8 wk
7 Jun
18 Jun
0 wk
11 Jul
5 wk after
Common zinnia
Zinnia elegans
Fleece
30 Apr – 14 May
3 May
4-6 wk
11 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 May
10 May
3-5 wk
11 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
30 Apr – 14 May
29 May
4-6 wk
11 Jun
26 Jun
1 wk after
26 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Mar – 23 Apr
25 Apr
8-12 wk
18 Jun
20 Jun
2 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
23 Apr
8-12 wk
5 Jun
18 Jun
0 wk
26 Jun
3 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
15 Jun
1 wk after
Safflower
Carthamus tinctorius
5 Jun
18 Jun
0 wk
29 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
27 Apr
28 Jun
6 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
10 Jun
4-6 wk
5 Jun
8 Jul
0 wk
15 Jun
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
28 Mar
10-12 wk
11 Jun
1 wk after
Sunflower
Helianthus annuus
21 – 28 May
17 Jun
3-4 wk
18 Jun
8 Jul
2 wk after
26 Jun
28 Jun
3 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
6 Jun
6-8 wk
18 Jun
18 Jul
2 wk after
11 Jul
5 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
6-8 wk
11 Jun
1 wk after
11 Jul
5 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
15 Jun
1 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
23 Apr
8-12 wk
5 Jun
18 Jun
0 wk
26 Jun
3 wk after
African marigold
Tagetes erecta
23 Apr – 7 May
6-8 wk
18 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
27 May
6-8 wk
7 Jun
8 Jul
0 wk
11 Jul
5 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
13 Apr
8-10 wk
5 Jun
8 Jun
0 wk
26 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
2 – 30 Apr
19 Apr
6-10 wk
11 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
18 Jul
0 wk
29 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
11 May
8-10 wk
18 Jun
6 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
7 May
6-8 wk
5 Jun
18 Jun
0 wk
15 Jun
1 wk after