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Method
Rel. frost
Last spring frost (0°C) 24 May Frost 1 of 4 years · 20 years of data
Frost-free season 133 days 24 May – 4 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)
5 – 19 Apr
17 Jun
5-7 wk
24 May
22 Jul
0 wk
17 May
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
29 Jun
4-6 wk
24 May
27 Jul
0 wk
17 May
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
14 Mar – 11 Apr
14 Apr
8-12 wk
6 Jun
9 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Apr
12 Jun
5-7 wk
24 May
17 Jul
0 wk
12 May
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
28 May – 4 Jun
8 Jun
3-4 wk
25 Jun
29 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
21 – 28 May
8 Jun
4-5 wk
25 Jun
6 Jul
5 wk after
29 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
1 – 29 Mar
2 Apr
8-12 wk
24 May
28 May
0 wk
3 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 May
17 Jun
1 wk before
17 May
7 Jun
1 wk before
Maize
Zea mays
9 – 16 May
29 May
3-4 wk
6 Jun
19 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
6 Jul
3-4 wk
26 May
27 Jul
0 wk
3 Jun
17 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 May
7 Jul
0 wk
12 May
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Apr
12 Jun
5-7 wk
24 May
17 Jul
0 wk
12 May
7 Jul
2 wk before
Potato
Solanum tuberosum
17 Apr – 1 May
9 Jun
4-6 wk
29 May
7 Jul
1 wk after
29 May
27 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Apr
22 Jun
5-7 wk
24 May
27 Jul
0 wk
17 May
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
28 May – 4 Jun
22 Jun
3-4 wk
25 Jun
13 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
28 Apr – 5 May
23 Jun
3-4 wk
26 May
14 Jul
0 wk
3 Jun
4 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
24 Jun
4-6 wk
24 May
22 Jul
0 wk
Lettuce
Lactuca sativa
26 Apr – 3 May
11 Jul
3-4 wk
24 May
1 Aug
0 wk
17 May
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
24 Jun
4-6 wk
24 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 Apr
3 Jun
2-4 wk
12 May
17 Jun
2 wk before
12 May
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 May
17 Jun
1 wk before
17 May
7 Jun
1 wk before
Spinach
Spinacia oleracea
26 Apr – 3 May
26 Jul
3-4 wk
24 May
16 Aug
0 wk
6 May
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
10 wk after
Garden tomato
Solanum lycopersicum
11 – 25 Apr
8 May
6-8 wk
6 Jun
19 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
9 – 23 May
24 Jun
2-4 wk
6 Jun
8 Jul
2 wk after
29 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
24 Jun
4-6 wk
24 May
22 Jul
0 wk
Garden pea
Pisum sativum
26 Apr – 3 May
26 Jun
3-4 wk
24 May
17 Jul
0 wk
17 May
7 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
14 – 28 May
31 May
4-6 wk
25 Jun
28 Jun
5 wk after
Lemon balm
Melissa officinalis
15 – 29 Mar
22 May
8-10 wk
24 May
17 Jul
0 wk
14 Jun
7 Jul
3 wk after
Dill
Anethum graveolens
17 May
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
29 Mar – 12 Apr
5 Jun
6-8 wk
24 May
17 Jul
0 wk
17 May
7 Jul
1 wk before
Spearmint
Mentha spicata
1 – 29 Mar
22 May
8-12 wk
24 May
17 Jul
0 wk
14 Jun
7 Jul
3 wk after
Coriander
Coriandrum sativum
24 May
16 Aug
0 wk
3 Jun
6 Aug
1 wk after
Garden sage
Salvia officinalis
17 – 31 Mar
7 May
8-10 wk
26 May
2 Jul
0 wk
Common thyme
Thymus vulgaris
15 – 29 Mar
12 May
8-10 wk
24 May
7 Jul
0 wk
Oregano
Origanum vulgare
29 Mar – 12 Apr
26 May
6-8 wk
24 May
7 Jul
0 wk
14 Jun
27 Jun
3 wk after
Parsley
Petroselinum crispum
29 Mar – 12 Apr
26 May
6-8 wk
24 May
7 Jul
0 wk
17 May
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
17 Feb – 17 Mar
8 Apr
10-14 wk
26 May
17 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
28 May – 4 Jun
7 Jun
3-4 wk
25 Jun
28 Jun
5 wk after
Cornflower
Centaurea cyanus
24 May
17 Jul
0 wk
17 May
7 Jul
1 wk before
Statice
Limonium sinuatum
28 Mar – 11 Apr
9 May
8-10 wk
6 Jun
4 Jul
2 wk after
Sweet William
Dianthus barbatus
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
29 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Apr
23 May
6-8 wk
6 Jun
4 Jul
2 wk after
1 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
9 – 23 Apr
26 May
6-8 wk
4 Jun
7 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
19 Apr – 17 May
9 Jun
4-8 wk
14 Jun
7 Jul
3 wk after
14 Jun
27 Jun
3 wk after
Foxglove
Digitalis purpurea
15 – 29 Mar
8-10 wk
24 May
0 wk
3 Jun
1 wk after
Busy lizzie
Impatiens walleriana
2 – 30 Apr
1 Jul
8-12 wk
25 Jun
26 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
25 Apr – 9 May
14 May
4-6 wk
6 Jun
11 Jun
2 wk after
Chinese lantern
Physalis alkekengi
17 – 31 Mar
22 Apr
8-10 wk
26 May
17 Jun
0 wk
Love in a mist
Nigella damascena
24 May
2 Jul
0 wk
17 May
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
11 – 25 Apr
13 May
6-8 wk
6 Jun
24 Jun
2 wk after
1 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
3 – 31 Mar
22 Apr
8-12 wk
26 May
17 Jun
0 wk
Cardoon
Cynara cardunculus
14 Mar – 11 Apr
23 Mar
8-12 wk
6 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
2 – 30 Apr
23 Apr
8-12 wk
25 Jun
5 wk after
Globe amaranth
Gomphrena globosa
30 Apr – 14 May
7 May
6-8 wk
25 Jun
5 wk after
Corn poppy
Papaver rhoeas
24 May
17 Jul
0 wk
17 May
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
1 – 29 Mar
12 May
8-12 wk
24 May
7 Jul
0 wk
29 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
16 – 30 Apr
19 May
8-10 wk
25 Jun
14 Jul
5 wk after
Sweet pea
Lathyrus odoratus
29 Mar – 19 Apr
2 Jun
5-8 wk
24 May
7 Jul
0 wk
Stock
Matthiola incana
29 Mar – 12 Apr
5 Jun
6-8 wk
24 May
17 Jul
0 wk
3 Jun
7 Jul
1 wk after
Wormwood
Artemisia absinthium
29 Mar – 12 Apr
6 May
6-8 wk
24 May
17 Jun
0 wk
3 Jun
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
14 – 28 May
16 May
4-6 wk
25 Jun
5 wk after
Garden pansy
Viola × wittrockiana
15 – 29 Mar
22 May
8-10 wk
24 May
17 Jul
0 wk
29 May
7 Jul
1 wk after
Petunia
Petunia
14 Mar – 11 Apr
9 May
8-12 wk
6 Jun
4 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
31 Mar – 14 Apr
6 May
6-8 wk
26 May
17 Jun
0 wk
29 Jun
5 wk after
Common zinnia
Zinnia elegans
25 Apr – 9 May
13 Jun
4-6 wk
6 Jun
11 Jul
2 wk after
Common morning glory
Ipomoea purpurea
21 May – 4 Jun
7 Jun
3-5 wk
25 Jun
28 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
25 Apr – 9 May
9 Jun
4-6 wk
6 Jun
7 Jul
2 wk after
29 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
23 Apr – 21 May
23 May
8-12 wk
16 Jul
18 Jul
8 wk after
Bee balm
Monarda didyma
1 – 29 Mar
22 Apr
8-12 wk
24 May
17 Jun
0 wk
14 Jun
3 wk after
Yarrow
Achillea millefolium
29 Mar – 12 Apr
6 Apr
6-8 wk
24 May
0 wk
3 Jun
1 wk after
Safflower
Carthamus tinctorius
24 May
17 Jun
0 wk
17 May
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
29 Mar – 12 Apr
26 May
6-8 wk
24 May
7 Jul
0 wk
15 Apr
27 Jun
6 wk before
Bishop's flower
Ammi majus
12 – 26 Apr
9 Jun
4-6 wk
24 May
7 Jul
0 wk
3 Jun
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
2 – 16 Apr
2 Apr
10-12 wk
25 Jun
5 wk after
Sunflower
Helianthus annuus
9 – 16 May
16 Jun
3-4 wk
6 Jun
7 Jul
2 wk after
14 Jun
27 Jun
3 wk after
China aster
Callistephus chinensis
11 – 25 Apr
5 Jun
6-8 wk
6 Jun
17 Jul
2 wk after
29 Jun
7 Jul
5 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
2 Jun
6-8 wk
30 May
14 Jul
1 wk after
29 Jun
4 Jul
5 wk after
Hollyhock
Alcea rosea
29 Mar – 12 Apr
6-8 wk
24 May
0 wk
3 Jun
1 wk after
Alpine delphinium
Delphinium elatum
1 – 29 Mar
22 Apr
8-12 wk
24 May
17 Jun
0 wk
14 Jun
3 wk after
African marigold
Tagetes erecta
11 – 25 Apr
2 Jun
6-8 wk
6 Jun
14 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
31 Mar – 14 Apr
26 May
6-8 wk
26 May
7 Jul
0 wk
29 Jun
5 wk after
Wood sage
Salvia nemorosa
15 – 29 Mar
12 Apr
8-10 wk
24 May
7 Jun
0 wk
14 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
16 Apr – 14 May
17 May
6-10 wk
25 Jun
28 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
24 May
17 Jul
0 wk
17 May
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
28 Mar – 11 Apr
11 May
8-10 wk
6 Jun
6 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
29 Mar – 12 Apr
6 May
6-8 wk
24 May
17 Jun
0 wk
3 Jun
7 Jun
1 wk after