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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 9 of 10 years · 20 years of data
Frost-free season 76 days 2 Jun – 17 Aug
Probability that frost is over

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