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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 115 days 5 Jun – 28 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)
17 Apr – 1 May
16 Jun
5-7 wk
5 Jun
21 Jul
0 wk
9 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
28 Jun
4-6 wk
5 Jun
26 Jul
0 wk
9 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
28 Mar – 25 Apr
8-12 wk
20 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
11 Jun
5-7 wk
5 Jun
16 Jul
0 wk
5 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
23 – 30 May
3-4 wk
20 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
13 – 20 Jun
4-5 wk
18 Jul
6 wk after
24 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
25 Jun – 2 Jul
3-4 wk
23 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Mar – 10 Apr
1 Apr
8-12 wk
5 Jun
0 wk
26 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
9 Jun
16 Jun
1 wk after
9 Jun
1 wk after
Maize
Zea mays
Season too short
9 – 16 May
3-4 wk
6 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
5 Jul
3-4 wk
13 Jun
26 Jul
1 wk after
26 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
6 Jul
0 wk
5 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
11 Jun
5-7 wk
5 Jun
16 Jul
0 wk
5 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
10 – 24 May
8 Jun
4-6 wk
21 Jun
6 Jul
2 wk after
21 Jun
26 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
21 Jun
5-7 wk
5 Jun
26 Jul
0 wk
9 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
23 – 30 May
29 May
3-4 wk
20 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
17 Jun
3-4 wk
13 Jun
8 Jul
1 wk after
26 Jun
28 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
23 Jun
4-6 wk
5 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
10 Jul
3-4 wk
5 Jun
31 Jul
0 wk
9 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
23 Jun
4-6 wk
5 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 May
2 Jun
2-4 wk
5 Jun
16 Jun
0 wk
5 Jun
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Jun
16 Jun
1 wk after
9 Jun
1 wk after
Spinach
Spinacia oleracea
8 – 15 May
25 Jul
3-4 wk
5 Jun
15 Aug
0 wk
1 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jul
4-6 wk
18 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
11 – 25 Apr
6-8 wk
6 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
9 – 23 May
31 May
2-4 wk
6 Jun
14 Jun
0 wk
26 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
23 Jun
4-6 wk
5 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
25 Jun
3-4 wk
5 Jun
16 Jul
0 wk
9 Jun
6 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
Greenhouse
9 – 23 May
4-6 wk
20 Jun
2 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
21 May
8-10 wk
5 Jun
16 Jul
0 wk
10 Jul
5 wk after
Dill
Anethum graveolens
9 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
10 – 24 Apr
4 Jun
6-8 wk
5 Jun
16 Jul
0 wk
9 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
13 Mar – 10 Apr
21 May
8-12 wk
5 Jun
16 Jul
0 wk
10 Jul
5 wk after
Coriander
Coriandrum sativum
5 Jun
15 Aug
0 wk
26 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
4 – 18 Apr
6 May
8-10 wk
13 Jun
1 Jul
1 wk after
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
11 May
8-10 wk
5 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
25 May
6-8 wk
5 Jun
6 Jul
0 wk
10 Jul
5 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
25 May
6-8 wk
5 Jun
6 Jul
0 wk
9 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
7 Mar – 4 Apr
7 Apr
10-14 wk
13 Jun
16 Jun
1 wk after

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
23 – 30 May
3-4 wk
20 Jun
2 wk after
Cornflower
Centaurea cyanus
5 Jun
16 Jul
0 wk
9 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
11 – 25 Apr
8-10 wk
20 Jun
2 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
21 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
25 Apr – 9 May
6-8 wk
20 Jun
2 wk after
3 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
29 Apr – 13 May
6-8 wk
24 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
1 – 29 May
19 May
4-8 wk
26 Jun
3 wk after
26 Jun
3 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
26 Jun
3 wk after
Busy lizzie
Impatiens walleriana
25 Apr – 23 May
25 Apr
8-12 wk
18 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
25 Apr – 9 May
29 Apr
6-8 wk
20 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
4 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Apr
21 Apr
8-10 wk
13 Jun
16 Jun
1 wk after
Love in a mist
Nigella damascena
5 Jun
1 Jul
0 wk
9 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
11 – 25 Apr
28 Apr
6-8 wk
6 Jun
9 Jun
0 wk
16 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
21 Mar – 18 Apr
21 Apr
8-12 wk
13 Jun
16 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
28 Mar – 25 Apr
8-12 wk
20 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
28 Mar – 25 Apr
30 Mar
8-12 wk
20 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
25 Apr – 9 May
6-8 wk
20 Jun
2 wk after
Corn poppy
Papaver rhoeas
5 Jun
16 Jul
0 wk
9 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
11 May
8-12 wk
5 Jun
6 Jul
0 wk
21 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
23 Apr – 7 May
8-10 wk
2 Jul
4 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
1 Jun
5-8 wk
5 Jun
6 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
4 Jun
6-8 wk
5 Jun
16 Jul
0 wk
26 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
5 May
6-8 wk
5 Jun
16 Jun
0 wk
26 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
9 – 23 May
4-6 wk
20 Jun
2 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
21 May
8-10 wk
5 Jun
16 Jul
0 wk
21 Jun
6 Jul
2 wk after
Petunia
Petunia
Fleece
28 Mar – 25 Apr
5 Apr
8-12 wk
20 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Apr – 2 May
5 May
6-8 wk
13 Jun
16 Jun
1 wk after
24 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
9 – 23 May
4-6 wk
20 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
16 – 30 May
3-5 wk
20 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
9 – 23 May
19 May
4-6 wk
20 Jun
2 wk after
10 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
9 Apr – 7 May
29 Apr
8-12 wk
2 Jul
4 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
21 Apr
8-12 wk
5 Jun
16 Jun
0 wk
10 Jul
5 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Safflower
Carthamus tinctorius
5 Jun
16 Jun
0 wk
9 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
25 May
6-8 wk
5 Jun
6 Jul
0 wk
18 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
8 Jun
4-6 wk
5 Jun
6 Jul
0 wk
26 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
28 Mar – 11 Apr
10-12 wk
20 Jun
2 wk after
Sunflower
Helianthus annuus
4 – 11 Jun
15 Jun
3-4 wk
2 Jul
6 Jul
4 wk after
10 Jul
5 wk after
China aster
Callistephus chinensis
7 – 21 May
4 Jun
6-8 wk
2 Jul
16 Jul
4 wk after
24 Jul
7 wk after
Annual phlox
Phlox drummondii
25 Apr – 9 May
6-8 wk
20 Jun
2 wk after
24 Jul
7 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
26 Jun
3 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
21 Apr
8-12 wk
5 Jun
16 Jun
0 wk
10 Jul
5 wk after
African marigold
Tagetes erecta
Fleece
25 Apr – 9 May
29 Apr
6-8 wk
20 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
18 Apr – 2 May
25 May
6-8 wk
13 Jun
6 Jul
1 wk after
24 Jul
7 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
11 Apr
8-10 wk
5 Jun
6 Jun
0 wk
10 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
11 Apr – 9 May
23 Apr
6-10 wk
20 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
16 Jul
0 wk
9 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
23 Apr – 7 May
5 May
8-10 wk
2 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
5 May
6-8 wk
5 Jun
16 Jun
0 wk
26 Jun
3 wk after