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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 114 days 7 Jun – 29 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)
19 Apr – 3 May
16 Jun
5-7 wk
7 Jun
21 Jul
0 wk
11 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
28 Jun
4-6 wk
7 Jun
26 Jul
0 wk
11 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
11 Jun
5-7 wk
7 Jun
16 Jul
0 wk
7 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
15 – 22 Jun
4-5 wk
20 Jul
6 wk after
26 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
27 Jun – 4 Jul
3-4 wk
25 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Mar – 12 Apr
1 Apr
8-12 wk
7 Jun
0 wk
28 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 Jun
16 Jun
1 wk after
11 Jun
1 wk after
Maize
Zea mays
Season too short
11 – 18 May
3-4 wk
8 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 May
5 Jul
3-4 wk
15 Jun
26 Jul
1 wk after
28 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
6 Jul
0 wk
7 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
11 Jun
5-7 wk
7 Jun
16 Jul
0 wk
7 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
12 – 26 May
3 Jun
4-6 wk
23 Jun
1 Jul
2 wk after
23 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
21 Jun
5-7 wk
7 Jun
26 Jul
0 wk
11 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
25 May – 1 Jun
3-4 wk
22 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 May
9 Jun
3-4 wk
15 Jun
30 Jun
1 wk after
28 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
23 Jun
4-6 wk
7 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
10 Jul
3-4 wk
7 Jun
31 Jul
0 wk
11 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
23 Jun
4-6 wk
7 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 May
2 Jun
2-4 wk
7 Jun
16 Jun
0 wk
7 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 Jun
16 Jun
1 wk after
11 Jun
1 wk after
Spinach
Spinacia oleracea
10 – 17 May
25 Jul
3-4 wk
7 Jun
15 Aug
0 wk
3 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jul
4-6 wk
20 Aug
11 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
24 May
2-4 wk
8 Jun
0 wk
28 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
23 Jun
4-6 wk
7 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
25 Jun
3-4 wk
7 Jun
16 Jul
0 wk
11 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
11 – 25 May
4-6 wk
22 Jun
2 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
21 May
8-10 wk
7 Jun
16 Jul
0 wk
12 Jul
5 wk after
Dill
Anethum graveolens
11 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
12 – 26 Apr
4 Jun
6-8 wk
7 Jun
16 Jul
0 wk
11 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
15 Mar – 12 Apr
21 May
8-12 wk
7 Jun
16 Jul
0 wk
12 Jul
5 wk after
Coriander
Coriandrum sativum
7 Jun
15 Aug
0 wk
28 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
6 – 20 Apr
6 May
8-10 wk
15 Jun
1 Jul
1 wk after
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
11 May
8-10 wk
7 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
25 May
6-8 wk
7 Jun
6 Jul
0 wk
12 Jul
5 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
25 May
6-8 wk
7 Jun
6 Jul
0 wk
11 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
9 Mar – 6 Apr
7 Apr
10-14 wk
15 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
25 May – 1 Jun
3-4 wk
22 Jun
2 wk after
Cornflower
Centaurea cyanus
7 Jun
16 Jul
0 wk
11 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
13 – 27 Apr
8-10 wk
22 Jun
2 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
23 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
2 wk after
5 Aug
8 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
20 Apr – 4 May
26 Apr
6-8 wk
15 Jun
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
3 – 31 May
10 May
4-8 wk
28 Jun
3 wk after
28 Jun
3 wk after
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
28 Jun
3 wk after
Busy lizzie
Impatiens walleriana
27 Apr – 25 May
8-12 wk
20 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
27 Apr – 11 May
6 May
6-8 wk
22 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 May – 6 Jun
4-6 wk
4 Jul
4 wk after
Chinese lantern
Physalis alkekengi
6 – 20 Apr
21 Apr
8-10 wk
15 Jun
16 Jun
1 wk after
Love in a mist
Nigella damascena
7 Jun
1 Jul
0 wk
11 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
2 wk after
5 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
23 Mar – 20 Apr
21 Apr
8-12 wk
15 Jun
16 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
27 Apr – 11 May
6-8 wk
22 Jun
2 wk after
Corn poppy
Papaver rhoeas
7 Jun
16 Jul
0 wk
11 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
11 May
8-12 wk
7 Jun
6 Jul
0 wk
23 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
25 Apr – 9 May
8-10 wk
4 Jul
4 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
1 Jun
5-8 wk
7 Jun
6 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
4 Jun
6-8 wk
7 Jun
16 Jul
0 wk
28 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
5 May
6-8 wk
7 Jun
16 Jun
0 wk
28 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 May
4-6 wk
22 Jun
2 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
21 May
8-10 wk
7 Jun
16 Jul
0 wk
23 Jun
6 Jul
2 wk after
Petunia
Petunia
Fleece
30 Mar – 27 Apr
12 Apr
8-12 wk
22 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
20 Apr – 4 May
5 May
6-8 wk
15 Jun
16 Jun
1 wk after
26 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
11 – 25 May
4-6 wk
22 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
18 May – 1 Jun
3-5 wk
22 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
11 – 25 May
4-6 wk
22 Jun
2 wk after
12 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
11 Apr – 9 May
22 Apr
8-12 wk
4 Jul
4 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
21 Apr
8-12 wk
7 Jun
16 Jun
0 wk
12 Jul
5 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
28 Jun
3 wk after
Safflower
Carthamus tinctorius
7 Jun
16 Jun
0 wk
11 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
25 May
6-8 wk
7 Jun
6 Jul
0 wk
20 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
8 Jun
4-6 wk
7 Jun
6 Jul
0 wk
28 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
30 Mar – 13 Apr
10-12 wk
22 Jun
2 wk after
Sunflower
Helianthus annuus
6 – 13 Jun
15 Jun
3-4 wk
4 Jul
6 Jul
4 wk after
12 Jul
5 wk after
China aster
Callistephus chinensis
9 – 23 May
4 Jun
6-8 wk
4 Jul
16 Jul
4 wk after
26 Jul
7 wk after
Annual phlox
Phlox drummondii
Fleece
13 – 27 Apr
6 May
6-8 wk
8 Jun
17 Jun
0 wk
12 Jul
5 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
28 Jun
3 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
21 Apr
8-12 wk
7 Jun
16 Jun
0 wk
12 Jul
5 wk after
African marigold
Tagetes erecta
Fleece
27 Apr – 11 May
6 May
6-8 wk
22 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
20 Apr – 4 May
25 May
6-8 wk
15 Jun
6 Jul
1 wk after
26 Jul
7 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
11 Apr
8-10 wk
7 Jun
0 wk
12 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
13 Apr – 11 May
16 Apr
6-10 wk
22 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
16 Jul
0 wk
11 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
25 Apr – 9 May
9 May
8-10 wk
4 Jul
4 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
5 May
6-8 wk
7 Jun
16 Jun
0 wk
28 Jun
3 wk after