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Method
Rel. frost
Last spring frost (0°C) 17 Jun Frost 3 of 4 years · 20 years of data
Frost-free season 19 days 17 Jun – 6 Jul
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)
29 Apr – 13 May
8 Jun
5-7 wk
17 Jun
13 Jul
0 wk
18 Jun
3 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 May
20 Jun
4-6 wk
17 Jun
18 Jul
0 wk
18 Jun
8 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
29 Apr – 13 May
5 Jun
5-7 wk
17 Jun
10 Jul
0 wk
17 Jun
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Season too short
24 – 31 May
4-5 wk
28 Jun
2 wk after
30 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
30 Jun – 7 Jul
3-4 wk
28 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
0 wk
17 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
8 Jun
1 wk before
8 Jun
1 wk before
Maize
Zea mays
Season too short
24 – 31 May
3-4 wk
21 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 May – 2 Jun
9 Jun
3-4 wk
23 Jun
30 Jun
1 wk after
30 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 Jun
18 Jun
0 wk
17 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
29 Apr – 13 May
5 Jun
5-7 wk
17 Jun
10 Jul
0 wk
17 Jun
30 Jun
0 wk
Potato
Solanum tuberosum
Season too short
3 – 17 May
4-6 wk
14 Jun
0 wk
14 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
29 Apr – 13 May
3 Jun
5-7 wk
17 Jun
8 Jul
0 wk
18 Jun
28 Jun
0 wk
Pumpkin
Cucurbita pepo
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
20 – 27 May
3-4 wk
17 Jun
0 wk
17 Jun
0 wk
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 May
17 Jun
4-6 wk
17 Jun
15 Jul
0 wk
Lettuce
Lactuca sativa
20 – 27 May
22 Jun
3-4 wk
17 Jun
13 Jul
0 wk
18 Jun
3 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 May
17 Jun
4-6 wk
17 Jun
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
4 – 18 May
15 May
2-4 wk
1 Jun
2 wk before
1 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
8 Jun
1 wk before
8 Jun
1 wk before
Spinach
Spinacia oleracea
20 – 27 May
12 Jul
3-4 wk
17 Jun
2 Aug
0 wk
14 Jun
23 Jul
0 wk
Sweet potato
Ipomoea batatas
12 – 26 Jul
4-6 wk
23 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
24 May – 7 Jun
2-4 wk
21 Jun
1 wk after
30 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 May
17 Jun
4-6 wk
17 Jun
15 Jul
0 wk
Garden pea
Pisum sativum
20 – 27 May
7 Jun
3-4 wk
17 Jun
28 Jun
0 wk
18 Jun
18 Jun
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Season too short
17 – 31 May
4-6 wk
28 Jun
2 wk after
Lemon balm
Melissa officinalis
8 – 22 Apr
3 May
8-10 wk
17 Jun
28 Jun
0 wk
12 Jul
4 wk after
Dill
Anethum graveolens
18 Jun
30 Jun
0 wk
Wild chives
Allium schoenoprasum
22 Apr – 6 May
29 May
6-8 wk
17 Jun
10 Jul
0 wk
18 Jun
30 Jun
0 wk
Spearmint
Mentha spicata
25 Mar – 22 Apr
13 May
8-12 wk
17 Jun
8 Jul
0 wk
12 Jul
4 wk after
Coriander
Coriandrum sativum
17 Jun
20 Jul
0 wk
30 Jun
10 Jul
2 wk after
Garden sage
Salvia officinalis
14 – 28 Apr
30 Apr
8-10 wk
23 Jun
25 Jun
1 wk after
Common thyme
Thymus vulgaris
8 – 22 Apr
5 May
8-10 wk
17 Jun
30 Jun
0 wk
Oregano
Origanum vulgare
22 Apr – 6 May
17 May
6-8 wk
17 Jun
28 Jun
0 wk
12 Jul
4 wk after
Parsley
Petroselinum crispum
22 Apr – 6 May
17 May
6-8 wk
17 Jun
28 Jun
0 wk
18 Jun
18 Jun
0 wk
Rosemary
Salvia rosmarinus
Season too short
11 Mar – 8 Apr
21 Mar
10-14 wk
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
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
2 wk after
Cornflower
Centaurea cyanus
17 Jun
8 Jul
0 wk
18 Jun
28 Jun
0 wk
Statice
Limonium sinuatum
Season too short
12 – 26 Apr
8-10 wk
21 Jun
1 wk after
Sweet William
Dianthus barbatus
22 Apr – 6 May
6-8 wk
17 Jun
0 wk
27 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
19 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
22 Apr – 6 May
24 Apr
6-8 wk
17 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
28 Apr – 26 May
8 May
4-8 wk
23 Jun
1 wk after
23 Jun
1 wk after
Foxglove
Digitalis purpurea
8 – 22 Apr
8-10 wk
17 Jun
0 wk
30 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
5 Apr – 3 May
15 Apr
8-12 wk
28 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
26 May – 9 Jun
4-6 wk
7 Jul
3 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
8 – 22 Apr
8 Apr
8-10 wk
17 Jun
0 wk
Love in a mist
Nigella damascena
17 Jun
0 wk
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
19 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
Greenhouse
25 Mar – 22 Apr
8 Apr
8-12 wk
17 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
3 – 17 May
6-8 wk
28 Jun
2 wk after
Corn poppy
Papaver rhoeas
17 Jun
28 Jun
0 wk
18 Jun
18 Jun
0 wk
Snapdragon
Antirrhinum majus
25 Mar – 22 Apr
23 Apr
8-12 wk
17 Jun
18 Jun
0 wk
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
19 Apr – 3 May
8-10 wk
28 Jun
2 wk after
Sweet pea
Lathyrus odoratus
22 Apr – 13 May
24 May
5-8 wk
17 Jun
28 Jun
0 wk
Stock
Matthiola incana
22 Apr – 6 May
17 May
6-8 wk
17 Jun
28 Jun
0 wk
30 Jun
2 wk after
Wormwood
Artemisia absinthium
22 Apr – 6 May
29 Apr
6-8 wk
17 Jun
0 wk
30 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
17 – 31 May
4-6 wk
28 Jun
2 wk after
Garden pansy
Viola × wittrockiana
8 – 22 Apr
15 May
8-10 wk
17 Jun
10 Jul
0 wk
27 Jun
30 Jun
1 wk after
Petunia
Petunia
Season too short
29 Mar – 26 Apr
30 Mar
8-12 wk
21 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Greenhouse
22 Apr – 6 May
22 Apr
6-8 wk
17 Jun
0 wk
30 Jun
2 wk after
Common zinnia
Zinnia elegans
Season too short
10 – 24 May
4-6 wk
21 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
24 May – 7 Jun
3-5 wk
28 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
10 – 24 May
4-6 wk
21 Jun
1 wk after
30 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
14 Apr – 12 May
8-12 wk
7 Jul
3 wk after
Bee balm
Monarda didyma
Fleece
25 Mar – 22 Apr
8 Apr
8-12 wk
17 Jun
0 wk
30 Jun
2 wk after
Yarrow
Achillea millefolium
Season too short
22 Apr – 6 May
6-8 wk
17 Jun
0 wk
17 Jun
0 wk
Safflower
Carthamus tinctorius
17 Jun
0 wk
18 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
22 Apr – 6 May
19 May
6-8 wk
17 Jun
30 Jun
0 wk
1 Jun
20 Jun
2 wk before
Bishop's flower
Ammi majus
6 – 20 May
21 May
4-6 wk
17 Jun
18 Jun
0 wk
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
5 – 19 Apr
10-12 wk
28 Jun
2 wk after
Sunflower
Helianthus annuus
Season too short
24 – 31 May
29 May
3-4 wk
21 Jun
1 wk after
23 Jun
1 wk after
China aster
Callistephus chinensis
Greenhouse
26 Apr – 10 May
18 May
6-8 wk
21 Jun
29 Jun
1 wk after
30 Jun
2 wk after
Annual phlox
Phlox drummondii
Greenhouse
22 Apr – 6 May
23 Apr
6-8 wk
17 Jun
0 wk
30 Jun
2 wk after
Hollyhock
Alcea rosea
22 Apr – 6 May
6-8 wk
17 Jun
0 wk
30 Jun
2 wk after
Alpine delphinium
Delphinium elatum
Fleece
25 Mar – 22 Apr
8 Apr
8-12 wk
17 Jun
0 wk
30 Jun
2 wk after
African marigold
Tagetes erecta
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
22 Apr – 6 May
3 May
6-8 wk
17 Jun
0 wk
12 Jul
4 wk after
Wood sage
Salvia nemorosa
Season too short
8 – 22 Apr
8-10 wk
17 Jun
0 wk
23 Jun
1 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
19 Apr – 17 May
6-10 wk
28 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
17 Jun
24 Jun
0 wk
18 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Season too short
12 – 26 Apr
23 Apr
8-10 wk
21 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
22 Apr – 6 May
29 Apr
6-8 wk
17 Jun
0 wk
30 Jun
2 wk after