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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 3 of 4 years · 20 years of data
Frost-free season 73 days 2 Jun – 14 Aug
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)
14 – 28 Apr
15 Jun
5-7 wk
2 Jun
20 Jul
0 wk
6 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
27 Jun
4-6 wk
2 Jun
25 Jul
0 wk
6 Jun
15 Jul
1 wk after
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
10 Jun
5-7 wk
2 Jun
15 Jul
0 wk
2 Jun
5 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
Fleece
11 – 18 May
23 May
4-5 wk
15 Jun
20 Jun
2 wk after
7 Jul
5 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
18 Mar
8-12 wk
2 Jun
0 wk
2 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
29 May
1 wk before
29 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
19 Jun
3-4 wk
4 Jun
10 Jul
0 wk
23 Jun
30 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
2 Jul
0 wk
2 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
10 Jun
5-7 wk
2 Jun
15 Jul
0 wk
2 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
25 Apr – 9 May
5 May
4-6 wk
6 Jun
1 wk after
6 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
17 Jun
5-7 wk
2 Jun
22 Jul
0 wk
6 Jun
12 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
11 – 18 May
9 Jun
3-4 wk
8 Jun
30 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
5 – 12 May
3-4 wk
2 Jun
0 wk
12 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
22 Jun
4-6 wk
2 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
6 Jul
3-4 wk
2 Jun
27 Jul
0 wk
6 Jun
17 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
22 Jun
4-6 wk
2 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 May
5 May
2-4 wk
2 Jun
0 wk
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
29 May
1 wk before
29 May
1 wk before
Spinach
Spinacia oleracea
5 – 12 May
24 Jul
3-4 wk
2 Jun
14 Aug
0 wk
29 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jul
4-6 wk
15 Aug
11 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
Greenhouse
5 – 19 May
11 Jun
2-4 wk
2 Jun
25 Jun
0 wk
23 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
22 Jun
4-6 wk
2 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
21 Jun
3-4 wk
2 Jun
12 Jul
0 wk
6 Jun
2 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
Greenhouse
27 Apr – 11 May
18 May
4-6 wk
8 Jun
15 Jun
1 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
17 May
8-10 wk
2 Jun
12 Jul
0 wk
7 Jul
5 wk after
Dill
Anethum graveolens
6 Jun
10 Jul
1 wk after
Wild chives
Allium schoenoprasum
7 – 21 Apr
3 Jun
6-8 wk
2 Jun
15 Jul
0 wk
6 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
10 Mar – 7 Apr
20 May
8-12 wk
2 Jun
15 Jul
0 wk
7 Jul
5 wk after
Coriander
Coriandrum sativum
2 Jun
30 Jul
0 wk
23 Jun
20 Jul
3 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
5 May
8-10 wk
4 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
10 May
8-10 wk
2 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
24 May
6-8 wk
2 Jun
5 Jul
0 wk
7 Jul
5 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
24 May
6-8 wk
2 Jun
5 Jul
0 wk
6 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
24 Feb – 24 Mar
29 Mar
10-14 wk
2 Jun
7 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
Greenhouse
11 – 18 May
25 May
3-4 wk
8 Jun
15 Jun
1 wk after
Cornflower
Centaurea cyanus
2 Jun
15 Jul
0 wk
6 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
30 Mar – 13 Apr
19 Apr
8-10 wk
8 Jun
14 Jun
1 wk after
Sweet William
Dianthus barbatus
7 – 21 Apr
6-8 wk
2 Jun
0 wk
18 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
13 – 27 Apr
3 May
6-8 wk
8 Jun
14 Jun
1 wk after
31 Jul
8 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
9 – 23 Apr
8 May
6-8 wk
4 Jun
19 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
28 Apr – 26 May
22 May
4-8 wk
23 Jun
3 wk after
23 Jun
3 wk after
Foxglove
Digitalis purpurea
24 Mar – 7 Apr
8-10 wk
2 Jun
0 wk
23 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
23 Mar – 20 Apr
5 Jun
8-12 wk
15 Jun
31 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
13 – 27 Apr
13 May
6-8 wk
8 Jun
24 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
4 – 18 May
4-6 wk
15 Jun
2 wk after
Chinese lantern
Physalis alkekengi
26 Mar – 9 Apr
5 Apr
8-10 wk
4 Jun
0 wk
Love in a mist
Nigella damascena
2 Jun
27 Jun
0 wk
6 Jun
17 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
23 Apr
6-8 wk
8 Jun
1 wk after
31 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
5 Apr
8-12 wk
4 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
10 Mar – 7 Apr
21 Mar
8-12 wk
2 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
16 Mar – 13 Apr
10 Apr
8-12 wk
8 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
13 – 27 Apr
24 Apr
6-8 wk
8 Jun
1 wk after
Corn poppy
Papaver rhoeas
2 Jun
12 Jul
0 wk
6 Jun
2 Jul
1 wk after
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
7 May
8-12 wk
2 Jun
2 Jul
0 wk
18 Jun
22 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 Apr
29 Apr
8-10 wk
15 Jun
24 Jun
2 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
31 May
5-8 wk
2 Jun
5 Jul
0 wk
Stock
Matthiola incana
7 – 21 Apr
31 May
6-8 wk
2 Jun
12 Jul
0 wk
23 Jun
2 Jul
3 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
4 May
6-8 wk
2 Jun
15 Jun
0 wk
23 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
27 Apr – 11 May
3 May
4-6 wk
8 Jun
1 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
20 May
8-10 wk
2 Jun
15 Jul
0 wk
18 Jun
5 Jul
2 wk after
Petunia
Petunia
Fleece
16 Mar – 13 Apr
19 Apr
8-12 wk
8 Jun
14 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
19 Apr
6-8 wk
4 Jun
0 wk
21 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
27 Apr – 11 May
18 May
4-6 wk
8 Jun
15 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
4 – 18 May
25 May
3-5 wk
8 Jun
15 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
27 Apr – 11 May
22 May
4-6 wk
8 Jun
19 Jun
1 wk after
7 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
23 Mar – 20 Apr
10 May
8-12 wk
15 Jun
5 Jul
2 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
17 Apr
8-12 wk
2 Jun
12 Jun
0 wk
7 Jul
5 wk after
Yarrow
Achillea millefolium
7 – 21 Apr
6-8 wk
2 Jun
0 wk
23 Jun
3 wk after
Safflower
Carthamus tinctorius
2 Jun
15 Jun
0 wk
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
24 May
6-8 wk
2 Jun
5 Jul
0 wk
15 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
4 Jun
4-6 wk
2 Jun
2 Jul
0 wk
23 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
16 – 30 Mar
21 Mar
10-12 wk
8 Jun
1 wk after
Sunflower
Helianthus annuus
18 – 25 May
22 May
3-4 wk
15 Jun
2 wk after
7 Jul
5 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
11 May
6-8 wk
15 Jun
22 Jun
2 wk after
21 Jul
7 wk after
Annual phlox
Phlox drummondii
Fleece
7 – 21 Apr
13 May
6-8 wk
2 Jun
24 Jun
0 wk
7 Jul
5 wk after
Hollyhock
Alcea rosea
7 – 21 Apr
6-8 wk
2 Jun
0 wk
23 Jun
3 wk after
Alpine delphinium
Delphinium elatum
10 Mar – 7 Apr
17 Apr
8-12 wk
2 Jun
12 Jun
0 wk
7 Jul
5 wk after
African marigold
Tagetes erecta
Fleece
13 – 27 Apr
13 May
6-8 wk
8 Jun
24 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
1 May
6-8 wk
4 Jun
12 Jun
0 wk
21 Jul
7 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
7 Apr
8-10 wk
2 Jun
2 Jun
0 wk
7 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
30 Mar – 27 Apr
4 May
6-10 wk
8 Jun
15 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
7 Jul
0 wk
6 Jun
27 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
30 Mar – 13 Apr
25 Apr
8-10 wk
8 Jun
20 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
4 May
6-8 wk
2 Jun
15 Jun
0 wk
23 Jun
3 wk after