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Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 4 years · 20 years of data
Frost-free season 123 days 30 May – 30 Sep
Probability that frost is over

75% = 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)
11 – 25 Apr
14 Jun
5-7 wk
30 May
19 Jul
0 wk
3 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
26 Jun
4-6 wk
30 May
24 Jul
0 wk
3 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
13 Mar – 10 Apr
13 Apr
8-12 wk
5 Jun
8 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
9 Jun
5-7 wk
30 May
14 Jul
0 wk
30 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
7 Jun
3-4 wk
12 Jun
28 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
29 May
4-5 wk
1 Jul
5 wk after
18 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
29 Mar
8-12 wk
30 May
0 wk
20 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
13 Jun
1 wk after
3 Jun
3 Jun
1 wk after
Maize
Zea mays
15 – 22 May
3-4 wk
12 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
3 Jul
3-4 wk
1 Jun
24 Jul
0 wk
20 Jun
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
4 Jul
0 wk
30 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
9 Jun
5-7 wk
30 May
14 Jul
0 wk
30 May
4 Jul
0 wk
Potato
Solanum tuberosum
4 – 18 May
24 May
4-6 wk
15 Jun
21 Jun
2 wk after
15 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
19 Jun
5-7 wk
30 May
24 Jul
0 wk
3 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
3 – 10 Jun
12 Jun
3-4 wk
1 Jul
3 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
2 Jun
3-4 wk
1 Jun
23 Jun
0 wk
20 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
8 Jul
3-4 wk
30 May
29 Jul
0 wk
3 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
31 May
2-4 wk
30 May
14 Jun
0 wk
30 May
4 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
13 Jun
1 wk after
3 Jun
3 Jun
1 wk after
Spinach
Spinacia oleracea
2 – 9 May
23 Jul
3-4 wk
30 May
13 Aug
0 wk
26 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
17 Apr – 1 May
6-8 wk
12 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
14 Jun
2-4 wk
12 Jun
28 Jun
2 wk after
18 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
21 Jun
4-6 wk
30 May
19 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
23 Jun
3-4 wk
30 May
14 Jul
0 wk
3 Jun
4 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
20 May – 3 Jun
21 May
4-6 wk
1 Jul
5 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
19 May
8-10 wk
30 May
14 Jul
0 wk
4 Jul
4 Jul
5 wk after
Dill
Anethum graveolens
3 Jun
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
4 – 18 Apr
2 Jun
6-8 wk
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
7 Mar – 4 Apr
19 May
8-12 wk
30 May
14 Jul
0 wk
4 Jul
4 Jul
5 wk after
Coriander
Coriandrum sativum
30 May
13 Aug
0 wk
20 Jun
3 Aug
3 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
4 May
8-10 wk
1 Jun
29 Jun
0 wk
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
9 May
8-10 wk
30 May
4 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
4 Jul
5 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
3 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
23 Feb – 23 Mar
5 Apr
10-14 wk
1 Jun
14 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
3 – 10 Jun
3-4 wk
1 Jul
5 wk after
Cornflower
Centaurea cyanus
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
3 – 17 Apr
5 May
8-10 wk
12 Jun
30 Jun
2 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
15 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
19 May
6-8 wk
12 Jun
30 Jun
2 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
15 – 29 Apr
20 May
6-8 wk
10 Jun
1 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 May – 6 Jun
3 Jun
4-8 wk
4 Jul
5 wk after
4 Jul
5 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
20 Jun
3 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
18 Jun
8-12 wk
1 Jul
13 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
29 May
6-8 wk
12 Jun
10 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
1 – 15 May
1 May
4-6 wk
12 Jun
2 wk after
Chinese lantern
Physalis alkekengi
23 Mar – 6 Apr
19 Apr
8-10 wk
1 Jun
14 Jun
0 wk
Love in a mist
Nigella damascena
30 May
29 Jun
0 wk
3 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
9 May
6-8 wk
12 Jun
20 Jun
2 wk after
12 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
9 Mar – 6 Apr
19 Apr
8-12 wk
1 Jun
14 Jun
0 wk
Cardoon
Cynara cardunculus
20 Mar – 17 Apr
20 Mar
8-12 wk
12 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
23 Apr
8-12 wk
12 Jun
18 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
7 May
6-8 wk
12 Jun
18 Jun
2 wk after
Corn poppy
Papaver rhoeas
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
9 May
8-12 wk
30 May
4 Jul
0 wk
15 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
22 Apr – 6 May
15 May
8-10 wk
1 Jul
10 Jul
5 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
30 May
5-8 wk
30 May
4 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
2 Jun
6-8 wk
30 May
14 Jul
0 wk
20 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
3 May
6-8 wk
30 May
14 Jun
0 wk
20 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
1 – 15 May
16 May
4-6 wk
12 Jun
13 Jun
2 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
19 May
8-10 wk
30 May
14 Jul
0 wk
15 Jun
4 Jul
2 wk after
Petunia
Petunia
20 Mar – 17 Apr
5 May
8-12 wk
12 Jun
30 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Apr
3 May
6-8 wk
1 Jun
14 Jun
0 wk
18 Jul
7 wk after
Common zinnia
Zinnia elegans
1 – 15 May
31 May
4-6 wk
12 Jun
28 Jun
2 wk after
Common morning glory
Ipomoea purpurea
27 May – 10 Jun
28 May
3-5 wk
1 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
3 Jun
4-6 wk
12 Jun
1 Jul
2 wk after
18 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
8 Apr – 6 May
23 May
8-12 wk
1 Jul
18 Jul
5 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
19 Apr
8-12 wk
30 May
14 Jun
0 wk
4 Jul
5 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Safflower
Carthamus tinctorius
30 May
14 Jun
0 wk
3 Jun
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
0 wk
12 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
6 Jun
4-6 wk
30 May
4 Jul
0 wk
20 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
20 Mar – 3 Apr
2 Apr
10-12 wk
12 Jun
2 wk after
Sunflower
Helianthus annuus
15 – 22 May
13 Jun
3-4 wk
12 Jun
4 Jul
2 wk after
4 Jul
5 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
2 Jun
6-8 wk
12 Jun
14 Jul
2 wk after
18 Jul
7 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
29 May
6-8 wk
5 Jun
10 Jul
1 wk after
18 Jul
7 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
19 Apr
8-12 wk
30 May
14 Jun
0 wk
4 Jul
5 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
29 May
6-8 wk
12 Jun
10 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
23 May
6-8 wk
1 Jun
4 Jul
0 wk
18 Jul
7 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
9 Apr
8-10 wk
30 May
4 Jun
0 wk
4 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
22 Apr – 20 May
7 May
6-10 wk
1 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
30 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
1 May
8-10 wk
12 Jun
26 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
3 May
6-8 wk
30 May
14 Jun
0 wk
20 Jun
3 wk after