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Rel. frost
Last spring frost (0°C) 7 May Frost 3 of 4 years · 20 years of data
Frost-free season 139 days 7 May – 23 Sep
Probability that frost is over

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