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Method
Rel. frost
Last spring frost (0°C) 19 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 79 days 19 Jun – 6 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)
1 – 15 May
16 Jun
5-7 wk
19 Jun
21 Jul
0 wk
23 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
8 – 22 May
28 Jun
4-6 wk
19 Jun
26 Jul
0 wk
23 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 May
11 Jun
5-7 wk
19 Jun
16 Jul
0 wk
19 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
28 May – 4 Jun
29 May
3-4 wk
25 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
28 May – 4 Jun
4 Jun
4-5 wk
2 Jul
2 Jul
2 wk after
24 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
30 Jun – 7 Jul
3-4 wk
28 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
27 Mar – 24 Apr
1 Apr
8-12 wk
19 Jun
0 wk
19 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
23 Jun
1 wk after
23 Jun
1 wk after
Maize
Zea mays
Greenhouse
22 – 29 May
3-4 wk
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 – 31 May
1 Jul
3-4 wk
21 Jun
22 Jul
0 wk
10 Jul
12 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 Jun
6 Jul
0 wk
19 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
1 – 15 May
11 Jun
5-7 wk
19 Jun
16 Jul
0 wk
19 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
24 May – 7 Jun
4-6 wk
5 Jul
2 wk after
5 Jul
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 May
21 Jun
5-7 wk
19 Jun
26 Jul
0 wk
23 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
4 – 11 Jun
3-4 wk
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
22 – 29 May
27 May
3-4 wk
19 Jun
0 wk
29 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
8 – 22 May
23 Jun
4-6 wk
19 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
22 – 29 May
10 Jul
3-4 wk
19 Jun
31 Jul
0 wk
23 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 May
23 Jun
4-6 wk
19 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 May – 5 Jun
25 May
2-4 wk
19 Jun
0 wk
19 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 Jun
1 wk after
23 Jun
1 wk after
Spinach
Spinacia oleracea
22 – 29 May
25 Jul
3-4 wk
19 Jun
15 Aug
0 wk
15 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
21 Jul – 4 Aug
4-6 wk
1 Sep
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
24 Apr – 8 May
28 Apr
6-8 wk
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
28 May – 11 Jun
5 Jun
2-4 wk
25 Jun
1 wk after
24 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
8 – 22 May
23 Jun
4-6 wk
19 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
22 – 29 May
25 Jun
3-4 wk
19 Jun
16 Jul
0 wk
23 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
Fleece
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Lemon balm
Melissa officinalis
10 – 24 Apr
21 May
8-10 wk
19 Jun
16 Jul
0 wk
24 Jul
5 wk after
Dill
Anethum graveolens
23 Jun
22 Jul
1 wk after
Wild chives
Allium schoenoprasum
24 Apr – 8 May
4 Jun
6-8 wk
19 Jun
16 Jul
0 wk
23 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
27 Mar – 24 Apr
21 May
8-12 wk
19 Jun
16 Jul
0 wk
24 Jul
5 wk after
Coriander
Coriandrum sativum
19 Jun
11 Aug
0 wk
10 Jul
1 Aug
3 wk after
Garden sage
Salvia officinalis
12 – 26 Apr
6 May
8-10 wk
21 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
10 – 24 Apr
11 May
8-10 wk
19 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
24 Apr – 8 May
25 May
6-8 wk
19 Jun
6 Jul
0 wk
24 Jul
5 wk after
Parsley
Petroselinum crispum
24 Apr – 8 May
25 May
6-8 wk
19 Jun
6 Jul
0 wk
23 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
13 Mar – 10 Apr
7 Apr
10-14 wk
19 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
Fleece
4 – 11 Jun
3-4 wk
2 Jul
2 wk after
Cornflower
Centaurea cyanus
19 Jun
16 Jul
0 wk
23 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
23 Apr – 7 May
8-10 wk
2 Jul
2 wk after
Sweet William
Dianthus barbatus
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
5 Jul
2 wk after
Snow-on-the-mountain
Euphorbia marginata
7 – 21 May
6-8 wk
2 Jul
2 wk after
1 Sep
11 wk after
Pinnate dahlia
Dahlia × pinnata
5 – 19 May
8 May
6-8 wk
30 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
15 May – 12 Jun
4 Jun
4-8 wk
10 Jul
3 wk after
10 Jul
3 wk after
Foxglove
Digitalis purpurea
10 – 24 Apr
8-10 wk
19 Jun
0 wk
10 Jul
3 wk after
Busy lizzie
Impatiens walleriana
28 Apr – 26 May
30 May
8-12 wk
21 Jul
25 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
7 – 21 May
12 May
6-8 wk
2 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Apr
17 Apr
8-10 wk
21 Jun
0 wk
Love in a mist
Nigella damascena
19 Jun
1 Jul
0 wk
23 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
30 Apr – 14 May
5 May
6-8 wk
25 Jun
1 wk after
17 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
29 Mar – 26 Apr
17 Apr
8-12 wk
21 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
27 Mar – 24 Apr
8-12 wk
19 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
2 – 30 Apr
24 Apr
8-12 wk
25 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
30 Apr – 14 May
8 May
6-8 wk
25 Jun
1 wk after
Corn poppy
Papaver rhoeas
19 Jun
16 Jul
0 wk
23 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
27 Mar – 24 Apr
11 May
8-12 wk
19 Jun
6 Jul
0 wk
5 Jul
2 wk after
Flossflower
Ageratum houstonianum
Fleece
23 Apr – 7 May
11 May
8-10 wk
2 Jul
6 Jul
2 wk after
Sweet pea
Lathyrus odoratus
24 Apr – 15 May
1 Jun
5-8 wk
19 Jun
6 Jul
0 wk
Stock
Matthiola incana
24 Apr – 8 May
4 Jun
6-8 wk
19 Jun
16 Jul
0 wk
10 Jul
3 wk after
Wormwood
Artemisia absinthium
24 Apr – 8 May
5 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
14 – 28 May
17 May
4-6 wk
25 Jun
1 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Apr
21 May
8-10 wk
19 Jun
16 Jul
0 wk
5 Jul
6 Jul
2 wk after
Petunia
Petunia
9 Apr – 7 May
18 Apr
8-12 wk
2 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
26 Apr – 10 May
1 May
6-8 wk
21 Jun
0 wk
7 Aug
7 wk after
Common zinnia
Zinnia elegans
21 May – 4 Jun
4-6 wk
2 Jul
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
28 May – 11 Jun
3-5 wk
2 Jul
2 wk after
Garden cosmos
Cosmos bipinnatus
21 May – 4 Jun
22 May
4-6 wk
2 Jul
2 wk after
7 Aug
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
9 Apr – 7 May
24 May
8-12 wk
2 Jul
19 Jul
2 wk after
Bee balm
Monarda didyma
27 Mar – 24 Apr
21 Apr
8-12 wk
19 Jun
0 wk
24 Jul
5 wk after
Yarrow
Achillea millefolium
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Safflower
Carthamus tinctorius
19 Jun
0 wk
23 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
24 Apr – 8 May
25 May
6-8 wk
19 Jun
6 Jul
0 wk
1 Jun
26 Jun
3 wk before
Bishop's flower
Ammi majus
8 – 22 May
8 Jun
4-6 wk
19 Jun
6 Jul
0 wk
10 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
2 – 16 Apr
3 Apr
10-12 wk
25 Jun
1 wk after
Sunflower
Helianthus annuus
4 – 11 Jun
3-4 wk
2 Jul
2 wk after
24 Jul
5 wk after
China aster
Callistephus chinensis
7 – 21 May
19 May
6-8 wk
2 Jul
2 wk after
7 Aug
7 wk after
Annual phlox
Phlox drummondii
30 Apr – 14 May
12 May
6-8 wk
25 Jun
1 wk after
7 Aug
7 wk after
Hollyhock
Alcea rosea
24 Apr – 8 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after
Alpine delphinium
Delphinium elatum
27 Mar – 24 Apr
21 Apr
8-12 wk
19 Jun
0 wk
24 Jul
5 wk after
African marigold
Tagetes erecta
7 – 21 May
12 May
6-8 wk
2 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
26 Apr – 10 May
9 May
6-8 wk
21 Jun
0 wk
7 Aug
7 wk after
Wood sage
Salvia nemorosa
10 – 24 Apr
11 Apr
8-10 wk
19 Jun
0 wk
24 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
23 Apr – 21 May
28 Apr
6-10 wk
2 Jul
2 wk after
California goldenpoppy
Eschscholzia californica
19 Jun
16 Jul
0 wk
23 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
23 Apr – 7 May
8-10 wk
2 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
24 Apr – 8 May
5 May
6-8 wk
19 Jun
0 wk
10 Jul
3 wk after