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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 136 days 19 May – 2 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
16 Jun
5-7 wk
19 May
21 Jul
0 wk
12 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
28 Jun
4-6 wk
19 May
26 Jul
0 wk
12 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
9 Mar – 6 Apr
4 Apr
8-12 wk
1 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
31 Mar – 14 Apr
11 Jun
5-7 wk
19 May
16 Jul
0 wk
7 May
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
23 – 30 May
29 May
3-4 wk
20 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
16 – 23 May
5 Jun
4-5 wk
20 Jun
3 Jul
5 wk after
24 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Feb – 24 Mar
1 Apr
8-12 wk
19 May
27 May
0 wk
29 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
16 Jun
1 wk before
12 May
6 Jun
1 wk before
Maize
Zea mays
4 – 11 May
19 May
3-4 wk
1 Jun
9 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 Apr
5 Jul
3-4 wk
21 May
26 Jul
0 wk
29 May
16 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
19 May
6 Jul
0 wk
7 May
26 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
31 Mar – 14 Apr
11 Jun
5-7 wk
19 May
16 Jul
0 wk
7 May
6 Jul
2 wk before
Potato
Solanum tuberosum
12 – 26 Apr
5 Jun
4-6 wk
24 May
3 Jul
1 wk after
24 May
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
31 Mar – 14 Apr
21 Jun
5-7 wk
19 May
26 Jul
0 wk
12 May
16 Jul
1 wk before
Pumpkin
Cucurbita pepo
23 – 30 May
21 Jun
3-4 wk
20 Jun
12 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 Apr
17 Jun
3-4 wk
21 May
8 Jul
0 wk
29 May
28 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 Apr
10 Jul
3-4 wk
19 May
31 Jul
0 wk
12 May
21 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
2 Jun
2-4 wk
7 May
16 Jun
2 wk before
7 May
6 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
16 Jun
1 wk before
12 May
6 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 Apr
25 Jul
3-4 wk
19 May
15 Aug
0 wk
1 May
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jun
4-6 wk
27 Jul
10 wk after
Garden tomato
Solanum lycopersicum
6 – 20 Apr
28 Apr
6-8 wk
1 Jun
9 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
4 – 18 May
23 Jun
2-4 wk
1 Jun
7 Jul
2 wk after
24 Jun
27 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
23 Jun
4-6 wk
19 May
21 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 Apr
25 Jun
3-4 wk
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
9 – 23 May
30 May
4-6 wk
20 Jun
27 Jun
5 wk after
Lemon balm
Melissa officinalis
10 – 24 Mar
21 May
8-10 wk
19 May
16 Jul
0 wk
9 Jun
6 Jul
3 wk after
Dill
Anethum graveolens
12 May
26 Jul
1 wk before
Wild chives
Allium schoenoprasum
24 Mar – 7 Apr
4 Jun
6-8 wk
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before
Spearmint
Mentha spicata
24 Feb – 24 Mar
21 May
8-12 wk
19 May
16 Jul
0 wk
9 Jun
6 Jul
3 wk after
Coriander
Coriandrum sativum
19 May
15 Aug
0 wk
29 May
5 Aug
1 wk after
Garden sage
Salvia officinalis
12 – 26 Mar
6 May
8-10 wk
21 May
1 Jul
0 wk
Common thyme
Thymus vulgaris
10 – 24 Mar
11 May
8-10 wk
19 May
6 Jul
0 wk
Oregano
Origanum vulgare
24 Mar – 7 Apr
25 May
6-8 wk
19 May
6 Jul
0 wk
9 Jun
26 Jun
3 wk after
Parsley
Petroselinum crispum
24 Mar – 7 Apr
25 May
6-8 wk
19 May
6 Jul
0 wk
12 May
26 Jun
1 wk before
Rosemary
Salvia rosmarinus
12 Feb – 12 Mar
7 Apr
10-14 wk
21 May
16 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
23 – 30 May
6 Jun
3-4 wk
20 Jun
27 Jun
5 wk after
Cornflower
Centaurea cyanus
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before
Statice
Limonium sinuatum
23 Mar – 6 Apr
6 May
8-10 wk
1 Jun
1 Jul
2 wk after
Sweet William
Dianthus barbatus
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
24 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
6 – 20 Apr
20 May
6-8 wk
1 Jun
1 Jul
2 wk after
27 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
4 – 18 Apr
22 May
6-8 wk
30 May
3 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
14 Apr – 12 May
5 Jun
4-8 wk
9 Jun
3 Jul
3 wk after
9 Jun
23 Jun
3 wk after
Foxglove
Digitalis purpurea
10 – 24 Mar
8-10 wk
19 May
0 wk
29 May
1 wk after
Busy lizzie
Impatiens walleriana
28 Mar – 25 Apr
24 Jun
8-12 wk
20 Jun
19 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 Apr
30 May
6-8 wk
1 Jun
11 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 Apr – 4 May
7 May
4-6 wk
1 Jun
4 Jun
2 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Mar
21 Apr
8-10 wk
21 May
16 Jun
0 wk
Love in a mist
Nigella damascena
19 May
1 Jul
0 wk
12 May
21 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 Apr
10 May
6-8 wk
1 Jun
21 Jun
2 wk after
27 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
26 Feb – 26 Mar
21 Apr
8-12 wk
21 May
16 Jun
0 wk
Cardoon
Cynara cardunculus
9 Mar – 6 Apr
22 Mar
8-12 wk
1 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
28 Mar – 25 Apr
22 Apr
8-12 wk
20 Jun
5 wk after
Globe amaranth
Gomphrena globosa
25 Apr – 9 May
6 May
6-8 wk
20 Jun
5 wk after
Corn poppy
Papaver rhoeas
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before
Snapdragon
Antirrhinum majus
24 Feb – 24 Mar
11 May
8-12 wk
19 May
6 Jul
0 wk
24 May
26 Jun
1 wk after
Flossflower
Ageratum houstonianum
11 – 25 Apr
16 May
8-10 wk
20 Jun
11 Jul
5 wk after
Sweet pea
Lathyrus odoratus
24 Mar – 14 Apr
1 Jun
5-8 wk
19 May
6 Jul
0 wk
Stock
Matthiola incana
24 Mar – 7 Apr
4 Jun
6-8 wk
19 May
16 Jul
0 wk
29 May
6 Jul
1 wk after
Wormwood
Artemisia absinthium
24 Mar – 7 Apr
5 May
6-8 wk
19 May
16 Jun
0 wk
29 May
6 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
9 – 23 May
15 May
4-6 wk
20 Jun
5 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Mar
21 May
8-10 wk
19 May
16 Jul
0 wk
24 May
6 Jul
1 wk after
Petunia
Petunia
9 Mar – 6 Apr
6 May
8-12 wk
1 Jun
1 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
26 Mar – 9 Apr
5 May
6-8 wk
21 May
16 Jun
0 wk
24 Jun
5 wk after
Common zinnia
Zinnia elegans
20 Apr – 4 May
6 Jun
4-6 wk
1 Jun
4 Jul
2 wk after
Common morning glory
Ipomoea purpurea
16 – 30 May
6 Jun
3-5 wk
20 Jun
27 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
20 Apr – 4 May
5 Jun
4-6 wk
1 Jun
3 Jul
2 wk after
24 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
18 Apr – 16 May
22 May
8-12 wk
11 Jul
17 Jul
8 wk after
Bee balm
Monarda didyma
24 Feb – 24 Mar
21 Apr
8-12 wk
19 May
16 Jun
0 wk
9 Jun
3 wk after
Yarrow
Achillea millefolium
24 Mar – 7 Apr
5 Apr
6-8 wk
19 May
0 wk
29 May
1 wk after
Safflower
Carthamus tinctorius
19 May
16 Jun
0 wk
12 May
6 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
24 Mar – 7 Apr
25 May
6-8 wk
19 May
6 Jul
0 wk
10 Apr
26 Jun
6 wk before
Bishop's flower
Ammi majus
7 – 21 Apr
8 Jun
4-6 wk
19 May
6 Jul
0 wk
29 May
26 Jun
1 wk after
Drumsticks
Pycnosorus globosus
28 Mar – 11 Apr
10-12 wk
20 Jun
5 wk after
Sunflower
Helianthus annuus
4 – 11 May
15 Jun
3-4 wk
1 Jun
6 Jul
2 wk after
9 Jun
26 Jun
3 wk after
China aster
Callistephus chinensis
6 – 20 Apr
4 Jun
6-8 wk
1 Jun
16 Jul
2 wk after
24 Jun
6 Jul
5 wk after
Annual phlox
Phlox drummondii
30 Mar – 13 Apr
30 May
6-8 wk
25 May
11 Jul
1 wk after
24 Jun
1 Jul
5 wk after
Hollyhock
Alcea rosea
24 Mar – 7 Apr
6-8 wk
19 May
0 wk
29 May
1 wk after
Alpine delphinium
Delphinium elatum
24 Feb – 24 Mar
21 Apr
8-12 wk
19 May
16 Jun
0 wk
9 Jun
3 wk after
African marigold
Tagetes erecta
6 – 20 Apr
30 May
6-8 wk
1 Jun
11 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
26 Mar – 9 Apr
25 May
6-8 wk
21 May
6 Jul
0 wk
24 Jun
26 Jun
5 wk after
Wood sage
Salvia nemorosa
10 – 24 Mar
11 Apr
8-10 wk
19 May
6 Jun
0 wk
9 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
11 Apr – 9 May
16 May
6-10 wk
20 Jun
27 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
19 May
16 Jul
0 wk
12 May
6 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
23 Mar – 6 Apr
8 May
8-10 wk
1 Jun
3 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
24 Mar – 7 Apr
5 May
6-8 wk
19 May
16 Jun
0 wk
29 May
6 Jun
1 wk after