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Method
Rel. frost
Last spring frost (0°C) 19 May Frost 1 of 4 years · 20 years of data
Frost-free season 137 days 19 May – 3 Oct
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)
31 Mar – 14 Apr
15 Jun
5-7 wk
19 May
20 Jul
0 wk
23 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
27 Jun
4-6 wk
19 May
25 Jul
0 wk
23 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Fleece
23 Mar – 20 Apr
10 Apr
8-12 wk
15 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
31 Mar – 14 Apr
10 Jun
5-7 wk
19 May
15 Jul
0 wk
19 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
3 – 10 Jun
4 Jun
3-4 wk
1 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
7 Jun
4-5 wk
1 Jul
5 Jul
6 wk after
7 Jul
7 wk after
Butter bean
Phaseolus lunatus
Greenhouse
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
31 Mar
8-12 wk
19 May
26 May
0 wk
9 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
15 Jun
1 wk after
23 May
5 Jun
1 wk after
Maize
Zea mays
18 – 25 May
25 May
3-4 wk
15 Jun
15 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
29 Apr – 6 May
4 Jul
3-4 wk
27 May
25 Jul
1 wk after
9 Jun
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 May
5 Jul
0 wk
19 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
31 Mar – 14 Apr
10 Jun
5-7 wk
19 May
15 Jul
0 wk
19 May
5 Jul
0 wk
Potato
Solanum tuberosum
23 Apr – 7 May
7 Jun
4-6 wk
4 Jun
5 Jul
2 wk after
4 Jun
25 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
31 Mar – 14 Apr
20 Jun
5-7 wk
19 May
25 Jul
0 wk
23 May
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
3 – 10 Jun
22 Jun
3-4 wk
1 Jul
13 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
29 Apr – 6 May
21 Jun
3-4 wk
27 May
12 Jul
1 wk after
9 Jun
2 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
22 Jun
4-6 wk
19 May
20 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 Apr
9 Jul
3-4 wk
19 May
30 Jul
0 wk
23 May
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Apr
22 Jun
4-6 wk
19 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
21 Apr – 5 May
1 Jun
2-4 wk
19 May
15 Jun
0 wk
19 May
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
15 Jun
1 wk after
23 May
5 Jun
1 wk after
Spinach
Spinacia oleracea
21 – 28 Apr
24 Jul
3-4 wk
19 May
14 Aug
0 wk
15 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
11 wk after
Garden tomato
Solanum lycopersicum
20 Apr – 4 May
4 May
6-8 wk
15 Jun
15 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
18 May – 1 Jun
24 Jun
2-4 wk
15 Jun
8 Jul
4 wk after
7 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
22 Jun
4-6 wk
19 May
20 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 Apr
24 Jun
3-4 wk
19 May
15 Jul
0 wk
23 May
5 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
31 May
4-6 wk
1 Jul
6 wk after
Lemon balm
Melissa officinalis
10 – 24 Mar
20 May
8-10 wk
19 May
15 Jul
0 wk
23 Jun
5 Jul
5 wk after
Dill
Anethum graveolens
23 May
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
24 Mar – 7 Apr
3 Jun
6-8 wk
19 May
15 Jul
0 wk
23 May
5 Jul
1 wk after
Spearmint
Mentha spicata
24 Feb – 24 Mar
20 May
8-12 wk
19 May
15 Jul
0 wk
23 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
19 May
14 Aug
0 wk
9 Jun
4 Aug
3 wk after
Garden sage
Salvia officinalis
18 Mar – 1 Apr
5 May
8-10 wk
27 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
10 – 24 Mar
10 May
8-10 wk
19 May
5 Jul
0 wk
Oregano
Origanum vulgare
24 Mar – 7 Apr
24 May
6-8 wk
19 May
5 Jul
0 wk
23 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
24 Mar – 7 Apr
24 May
6-8 wk
19 May
5 Jul
0 wk
23 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
18 Feb – 18 Mar
6 Apr
10-14 wk
27 May
15 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
3 – 10 Jun
7 Jun
3-4 wk
1 Jul
6 wk after
Cornflower
Centaurea cyanus
19 May
15 Jul
0 wk
23 May
5 Jul
1 wk after
Statice
Limonium sinuatum
6 – 20 Apr
5 May
8-10 wk
15 Jun
30 Jun
4 wk after
Sweet William
Dianthus barbatus
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
4 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
20 Apr – 4 May
19 May
6-8 wk
15 Jun
30 Jun
4 wk after
1 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
28 Apr – 26 May
7 Jun
4-8 wk
23 Jun
5 Jul
5 wk after
23 Jun
25 Jun
5 wk after
Foxglove
Digitalis purpurea
10 – 24 Mar
8-10 wk
19 May
0 wk
9 Jun
3 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
29 Jun
8-12 wk
1 Jul
24 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
20 Apr – 4 May
29 May
6-8 wk
15 Jun
10 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
4 – 18 May
12 May
4-6 wk
15 Jun
4 wk after
Chinese lantern
Physalis alkekengi
18 Mar – 1 Apr
20 Apr
8-10 wk
27 May
15 Jun
1 wk after
Love in a mist
Nigella damascena
19 May
30 Jun
0 wk
23 May
20 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
20 Apr – 4 May
9 May
6-8 wk
15 Jun
20 Jun
4 wk after
1 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
4 Mar – 1 Apr
20 Apr
8-12 wk
27 May
15 Jun
1 wk after
Cardoon
Cynara cardunculus
23 Mar – 20 Apr
8-12 wk
15 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
8 Apr – 6 May
23 Apr
8-12 wk
1 Jul
6 wk after
Globe amaranth
Gomphrena globosa
6 – 20 May
7 May
6-8 wk
1 Jul
6 wk after
Corn poppy
Papaver rhoeas
19 May
15 Jul
0 wk
23 May
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
24 Feb – 24 Mar
10 May
8-12 wk
19 May
5 Jul
0 wk
4 Jun
25 Jun
2 wk after
Flossflower
Ageratum houstonianum
22 Apr – 6 May
15 May
8-10 wk
1 Jul
10 Jul
6 wk after
Sweet pea
Lathyrus odoratus
24 Mar – 14 Apr
31 May
5-8 wk
19 May
5 Jul
0 wk
Stock
Matthiola incana
24 Mar – 7 Apr
3 Jun
6-8 wk
19 May
15 Jul
0 wk
9 Jun
5 Jul
3 wk after
Wormwood
Artemisia absinthium
24 Mar – 7 Apr
4 May
6-8 wk
19 May
15 Jun
0 wk
9 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
20 May – 3 Jun
4-6 wk
1 Jul
6 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Mar
20 May
8-10 wk
19 May
15 Jul
0 wk
4 Jun
5 Jul
2 wk after
Petunia
Petunia
23 Mar – 20 Apr
5 May
8-12 wk
15 Jun
30 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
1 – 15 Apr
4 May
6-8 wk
27 May
15 Jun
1 wk after
7 Jul
7 wk after
Common zinnia
Zinnia elegans
4 – 18 May
11 Jun
4-6 wk
15 Jun
9 Jul
4 wk after
Common morning glory
Ipomoea purpurea
27 May – 10 Jun
7 Jun
3-5 wk
1 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 May
7 Jun
4-6 wk
15 Jun
5 Jul
4 wk after
7 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
18 Apr – 16 May
23 May
8-12 wk
11 Jul
18 Jul
8 wk after
Bee balm
Monarda didyma
24 Feb – 24 Mar
20 Apr
8-12 wk
19 May
15 Jun
0 wk
23 Jun
5 wk after
Yarrow
Achillea millefolium
24 Mar – 7 Apr
4 Apr
6-8 wk
19 May
0 wk
9 Jun
3 wk after
Safflower
Carthamus tinctorius
19 May
15 Jun
0 wk
23 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
24 Mar – 7 Apr
24 May
6-8 wk
19 May
5 Jul
0 wk
1 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
7 – 21 Apr
7 Jun
4-6 wk
19 May
5 Jul
0 wk
9 Jun
25 Jun
3 wk after
Drumsticks
Pycnosorus globosus
8 – 22 Apr
10-12 wk
1 Jul
6 wk after
Sunflower
Helianthus annuus
18 – 25 May
14 Jun
3-4 wk
15 Jun
5 Jul
4 wk after
23 Jun
25 Jun
5 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
3 Jun
6-8 wk
15 Jun
15 Jul
4 wk after
7 Jul
7 wk after
Annual phlox
Phlox drummondii
8 – 22 Apr
29 May
6-8 wk
3 Jun
10 Jul
2 wk after
7 Jul
7 wk after
Hollyhock
Alcea rosea
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
9 Jun
3 wk after
Alpine delphinium
Delphinium elatum
24 Feb – 24 Mar
20 Apr
8-12 wk
19 May
15 Jun
0 wk
23 Jun
5 wk after
African marigold
Tagetes erecta
20 Apr – 4 May
29 May
6-8 wk
15 Jun
10 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
1 – 15 Apr
24 May
6-8 wk
27 May
5 Jul
1 wk after
7 Jul
7 wk after
Wood sage
Salvia nemorosa
10 – 24 Mar
10 Apr
8-10 wk
19 May
5 Jun
0 wk
23 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
22 Apr – 20 May
17 May
6-10 wk
1 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
19 May
15 Jul
0 wk
23 May
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
10 May
8-10 wk
15 Jun
5 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
24 Mar – 7 Apr
4 May
6-8 wk
19 May
15 Jun
0 wk
9 Jun
3 wk after