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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 9 of 10 years · 20 years of data
Frost-free season 32 days 3 Jun – 5 Jul
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)
15 – 29 Apr
14 Jun
5-7 wk
3 Jun
19 Jul
0 wk
7 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
26 Jun
4-6 wk
3 Jun
24 Jul
0 wk
7 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
10 Jun
5-7 wk
3 Jun
15 Jul
0 wk
3 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
12 – 19 May
3-4 wk
9 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
5 – 12 May
12 May
4-5 wk
9 Jun
9 Jun
1 wk after
24 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
0 wk
3 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
30 May
1 wk before
30 May
1 wk before
Maize
Zea mays
Season too short
6 – 13 May
3-4 wk
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
29 May
3-4 wk
5 Jun
19 Jun
0 wk
24 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
9 Jun
0 wk
3 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
10 Jun
5-7 wk
3 Jun
15 Jul
0 wk
3 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
26 Apr – 10 May
4-6 wk
7 Jun
1 wk after
7 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
25 May
5-7 wk
3 Jun
29 Jun
0 wk
7 Jun
19 Jun
1 wk after
Pumpkin
Cucurbita pepo
Season too short
12 – 19 May
3-4 wk
9 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
6 – 13 May
20 May
3-4 wk
3 Jun
10 Jun
0 wk
3 Jun
0 wk
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
13 Jun
3-4 wk
3 Jun
4 Jul
0 wk
7 Jun
24 Jun
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
2-4 wk
3 Jun
0 wk
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
30 May
1 wk before
30 May
1 wk before
Spinach
Spinacia oleracea
6 – 13 May
17 Jul
3-4 wk
3 Jun
7 Aug
0 wk
30 May
28 Jul
1 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
6 – 20 May
2-4 wk
3 Jun
0 wk
24 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
22 Jun
4-6 wk
3 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
29 May
3-4 wk
3 Jun
19 Jun
0 wk
7 Jun
9 Jun
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
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
1 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
24 Apr
8-10 wk
3 Jun
19 Jun
0 wk
8 Jul
5 wk after
Dill
Anethum graveolens
7 Jun
19 Jun
1 wk after
Wild chives
Allium schoenoprasum
8 – 22 Apr
3 Jun
6-8 wk
3 Jun
15 Jul
0 wk
7 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
11 Mar – 8 Apr
19 May
8-12 wk
3 Jun
14 Jul
0 wk
8 Jul
5 wk after
Coriander
Coriandrum sativum
3 Jun
9 Jul
0 wk
24 Jun
29 Jun
3 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
5 May
8-10 wk
5 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
10 May
8-10 wk
3 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
23 May
6-8 wk
3 Jun
4 Jul
0 wk
8 Jul
5 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
23 May
6-8 wk
3 Jun
4 Jul
0 wk
7 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
25 Feb – 25 Mar
11 Mar
10-14 wk
3 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
12 – 19 May
3-4 wk
9 Jun
1 wk after
Cornflower
Centaurea cyanus
3 Jun
14 Jul
0 wk
7 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
Season too short
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
19 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
14 Jul
6 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
18 Apr – 16 May
4-8 wk
13 Jun
1 wk after
13 Jun
1 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
24 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Season too short
17 Mar – 14 Apr
27 Mar
8-12 wk
9 Jun
1 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
25 Mar – 8 Apr
25 Mar
8-10 wk
3 Jun
0 wk
Love in a mist
Nigella damascena
3 Jun
4 Jun
0 wk
7 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
14 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
Fleece
11 Mar – 8 Apr
25 Mar
8-12 wk
3 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
11 Mar – 8 Apr
14 Mar
8-12 wk
3 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
14 – 28 Apr
6-8 wk
9 Jun
1 wk after
Corn poppy
Papaver rhoeas
3 Jun
19 Jun
0 wk
7 Jun
9 Jun
1 wk after
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
14 Apr
8-12 wk
3 Jun
9 Jun
0 wk
19 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
31 Mar – 14 Apr
8-10 wk
9 Jun
1 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
30 May
5-8 wk
3 Jun
4 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
8 May
6-8 wk
3 Jun
19 Jun
0 wk
24 Jun
3 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
4 May
6-8 wk
3 Jun
15 Jun
0 wk
24 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
19 May
8-10 wk
3 Jun
14 Jul
0 wk
19 Jun
4 Jul
2 wk after
Petunia
Petunia
Season too short
11 Mar – 8 Apr
8-12 wk
3 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
Fleece
8 – 22 Apr
8 Apr
6-8 wk
3 Jun
0 wk
8 Jul
5 wk after
Common zinnia
Zinnia elegans
Season too short
22 Apr – 6 May
4-6 wk
3 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
5 – 19 May
3-5 wk
9 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
22 Apr – 6 May
4-6 wk
3 Jun
0 wk
24 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
2 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
25 Mar
8-12 wk
3 Jun
0 wk
8 Jul
5 wk after
Yarrow
Achillea millefolium
Fleece
8 – 22 Apr
6-8 wk
3 Jun
0 wk
13 Jun
1 wk after
Safflower
Carthamus tinctorius
3 Jun
8 Jun
0 wk
7 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
24 May
6-8 wk
3 Jun
5 Jul
0 wk
16 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
12 May
4-6 wk
3 Jun
9 Jun
0 wk
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
17 – 31 Mar
10-12 wk
9 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
12 – 19 May
19 May
3-4 wk
9 Jun
9 Jun
1 wk after
24 Jun
3 wk after
China aster
Callistephus chinensis
Fleece
14 – 28 Apr
8 May
6-8 wk
9 Jun
19 Jun
1 wk after
8 Jul
5 wk after
Annual phlox
Phlox drummondii
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
25 Mar
8-12 wk
3 Jun
0 wk
8 Jul
5 wk after
African marigold
Tagetes erecta
Season too short
8 – 22 Apr
6-8 wk
3 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
Fleece
8 – 22 Apr
28 Apr
6-8 wk
3 Jun
9 Jun
0 wk
8 Jul
5 wk after
Wood sage
Salvia nemorosa
Fleece
25 Mar – 8 Apr
3 Apr
8-10 wk
3 Jun
0 wk
24 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
31 Mar – 28 Apr
6-10 wk
9 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
19 Jun
0 wk
7 Jun
9 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
25 Mar – 8 Apr
14 Apr
8-10 wk
3 Jun
9 Jun
0 wk
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
4 May
6-8 wk
3 Jun
15 Jun
0 wk
24 Jun
3 wk after