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Method
Rel. frost
Last spring frost (0°C) 28 May Frost 1 of 4 years · 20 years of data
Frost-free season 129 days 28 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)
9 – 23 Apr
13 Jun
5-7 wk
28 May
18 Jul
0 wk
29 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
25 Jun
4-6 wk
28 May
23 Jul
0 wk
29 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Fleece
18 Mar – 15 Apr
3 Apr
8-12 wk
10 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
8 Jun
5-7 wk
28 May
13 Jul
0 wk
28 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
1 – 8 Jun
3-4 wk
29 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
25 May – 1 Jun
5 Jun
4-5 wk
29 Jun
3 Jul
5 wk after
10 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
5 Mar – 2 Apr
29 Mar
8-12 wk
28 May
0 wk
10 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 May
13 Jun
0 wk
29 May
3 Jun
0 wk
Maize
Zea mays
13 – 20 May
18 May
3-4 wk
10 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 May
2 Jul
3-4 wk
30 May
23 Jul
0 wk
10 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
3 Jul
0 wk
28 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
8 Jun
5-7 wk
28 May
13 Jul
0 wk
28 May
3 Jul
0 wk
Potato
Solanum tuberosum
26 Apr – 10 May
1 Jun
4-6 wk
7 Jun
29 Jun
1 wk after
7 Jun
19 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
18 Jun
5-7 wk
28 May
23 Jul
0 wk
29 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
1 – 8 Jun
17 Jun
3-4 wk
29 Jun
8 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 May
16 Jun
3-4 wk
30 May
7 Jul
0 wk
10 Jun
27 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
7 Jul
3-4 wk
28 May
28 Jul
0 wk
29 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
30 May
2-4 wk
28 May
13 Jun
0 wk
28 May
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 May
13 Jun
0 wk
29 May
3 Jun
0 wk
Spinach
Spinacia oleracea
30 Apr – 7 May
22 Jul
3-4 wk
28 May
12 Aug
0 wk
25 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
22 Jun – 6 Jul
4-6 wk
3 Aug
10 wk after
Garden tomato
Solanum lycopersicum
15 – 29 Apr
27 Apr
6-8 wk
10 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
13 – 27 May
19 Jun
2-4 wk
10 Jun
3 Jul
2 wk after
10 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
20 Jun
4-6 wk
28 May
18 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
22 Jun
3-4 wk
28 May
13 Jul
0 wk
29 May
3 Jul
0 wk

Herbs

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