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Method
Rel. frost
Last spring frost (0°C) 27 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 88 days 27 Jun – 23 Sep
Probability that frost is over

90% = 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 May
15 Jun
5-7 wk
27 Jun
20 Jul
0 wk
1 Jul
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 May
27 Jun
4-6 wk
27 Jun
25 Jul
0 wk
1 Jul
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 May
10 Jun
5-7 wk
27 Jun
15 Jul
0 wk
27 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
5 – 12 Jun
7 Jun
4-5 wk
10 Jul
2 wk after
1 Aug
5 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jul
3-4 wk
5 Aug
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
4 Apr – 2 May
8-12 wk
27 Jun
0 wk
27 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
23 Jun
1 wk before
23 Jun
1 wk before
Maize
Zea mays
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 Jun
4 Jul
3-4 wk
29 Jun
25 Jul
0 wk
18 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 Jun
5 Jul
0 wk
27 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 May
10 Jun
5-7 wk
27 Jun
15 Jul
0 wk
27 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
20 May – 3 Jun
23 May
4-6 wk
1 Jul
1 wk after
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 May
20 Jun
5-7 wk
27 Jun
25 Jul
0 wk
1 Jul
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
5 – 12 Jun
3-4 wk
3 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
30 May – 6 Jun
3-4 wk
27 Jun
0 wk
7 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 May
22 Jun
4-6 wk
27 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
30 May – 6 Jun
9 Jul
3-4 wk
27 Jun
30 Jul
0 wk
1 Jul
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 May
22 Jun
4-6 wk
27 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 May – 13 Jun
2-4 wk
27 Jun
0 wk
27 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
23 Jun
1 wk before
23 Jun
1 wk before
Spinach
Spinacia oleracea
30 May – 6 Jun
24 Jul
3-4 wk
27 Jun
14 Aug
0 wk
23 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
29 Jul – 12 Aug
4-6 wk
9 Sep
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
2 – 16 May
6-8 wk
27 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
30 May – 13 Jun
2-4 wk
27 Jun
0 wk
18 Jul
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 May
22 Jun
4-6 wk
27 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
30 May – 6 Jun
24 Jun
3-4 wk
27 Jun
15 Jul
0 wk
1 Jul
5 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
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
1 wk after
Lemon balm
Melissa officinalis
18 Apr – 2 May
20 May
8-10 wk
27 Jun
15 Jul
0 wk
1 Aug
5 wk after
Dill
Anethum graveolens
1 Jul
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
2 – 16 May
3 Jun
6-8 wk
27 Jun
15 Jul
0 wk
1 Jul
5 Jul
1 wk after
Spearmint
Mentha spicata
4 Apr – 2 May
20 May
8-12 wk
27 Jun
15 Jul
0 wk
1 Aug
5 wk after
Coriander
Coriandrum sativum
27 Jun
14 Aug
0 wk
18 Jul
4 Aug
3 wk after
Garden sage
Salvia officinalis
20 Apr – 4 May
5 May
8-10 wk
29 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
18 Apr – 2 May
10 May
8-10 wk
27 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
2 – 16 May
24 May
6-8 wk
27 Jun
5 Jul
0 wk
1 Aug
5 wk after
Parsley
Petroselinum crispum
2 – 16 May
24 May
6-8 wk
27 Jun
5 Jul
0 wk
1 Jul
1 wk after
Rosemary
Salvia rosmarinus
23 Mar – 20 Apr
6 Apr
10-14 wk
29 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
5 – 12 Jun
3-4 wk
3 Jul
1 wk after
Cornflower
Centaurea cyanus
27 Jun
15 Jul
0 wk
1 Jul
5 Jul
1 wk after
Statice
Limonium sinuatum
Season too short
18 Apr – 2 May
8-10 wk
27 Jun
0 wk
Sweet William
Dianthus barbatus
2 – 16 May
6-8 wk
27 Jun
0 wk
13 Jul
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
2 – 16 May
6-8 wk
27 Jun
0 wk
7 Aug
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
2 – 16 May
6 May
6-8 wk
27 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
12 May – 9 Jun
20 May
4-8 wk
7 Jul
1 wk after
7 Jul
1 wk after
Foxglove
Digitalis purpurea
18 Apr – 2 May
8-10 wk
27 Jun
0 wk
18 Jul
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
10 Apr – 8 May
14 May
8-12 wk
3 Jul
9 Jul
1 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
2 – 16 May
6 May
6-8 wk
27 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
29 May – 12 Jun
4-6 wk
10 Jul
2 wk after
Chinese lantern
Physalis alkekengi
20 Apr – 4 May
20 Apr
8-10 wk
29 Jun
0 wk
Love in a mist
Nigella damascena
27 Jun
30 Jun
0 wk
1 Jul
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
2 – 16 May
6-8 wk
27 Jun
0 wk
7 Aug
6 wk after
Purple-top vervain
Verbena bonariensis
6 Apr – 4 May
20 Apr
8-12 wk
29 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
4 Apr – 2 May
8-12 wk
27 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
8 – 22 May
6-8 wk
3 Jul
1 wk after
Corn poppy
Papaver rhoeas
27 Jun
15 Jul
0 wk
1 Jul
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
4 Apr – 2 May
10 May
8-12 wk
27 Jun
5 Jul
0 wk
13 Jul
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
24 Apr – 8 May
8-10 wk
3 Jul
1 wk after
Sweet pea
Lathyrus odoratus
2 – 23 May
31 May
5-8 wk
27 Jun
5 Jul
0 wk
Stock
Matthiola incana
2 – 16 May
3 Jun
6-8 wk
27 Jun
15 Jul
0 wk
18 Jul
3 wk after
Wormwood
Artemisia absinthium
2 – 16 May
4 May
6-8 wk
27 Jun
0 wk
18 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
1 wk after
Garden pansy
Viola × wittrockiana
18 Apr – 2 May
20 May
8-10 wk
27 Jun
15 Jul
0 wk
13 Jul
2 wk after
Petunia
Petunia
Season too short
4 Apr – 2 May
12 Apr
8-12 wk
27 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
4 – 18 May
4 May
6-8 wk
29 Jun
0 wk
15 Aug
7 wk after
Common zinnia
Zinnia elegans
Season too short
16 – 30 May
4-6 wk
27 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
29 May – 12 Jun
3-5 wk
3 Jul
1 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
16 – 30 May
20 May
4-6 wk
27 Jun
0 wk
18 Jul
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
17 Apr – 15 May
8-12 wk
10 Jul
2 wk after
Bee balm
Monarda didyma
4 Apr – 2 May
20 Apr
8-12 wk
27 Jun
0 wk
1 Aug
5 wk after
Yarrow
Achillea millefolium
2 – 16 May
6-8 wk
27 Jun
0 wk
18 Jul
3 wk after
Safflower
Carthamus tinctorius
27 Jun
0 wk
1 Jul
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
2 – 16 May
24 May
6-8 wk
27 Jun
5 Jul
0 wk
9 Jun
25 Jun
3 wk before
Bishop's flower
Ammi majus
16 – 30 May
7 Jun
4-6 wk
27 Jun
5 Jul
0 wk
18 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
10 – 24 Apr
10-12 wk
3 Jul
1 wk after
Sunflower
Helianthus annuus
12 – 19 Jun
14 Jun
3-4 wk
10 Jul
2 wk after
1 Aug
5 wk after
China aster
Callistephus chinensis
15 – 29 May
3 Jun
6-8 wk
10 Jul
15 Jul
2 wk after
15 Aug
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
2 – 16 May
6 May
6-8 wk
27 Jun
0 wk
18 Jul
3 wk after
Hollyhock
Alcea rosea
2 – 16 May
6-8 wk
27 Jun
0 wk
18 Jul
3 wk after
Alpine delphinium
Delphinium elatum
4 Apr – 2 May
20 Apr
8-12 wk
27 Jun
0 wk
1 Aug
5 wk after
African marigold
Tagetes erecta
Greenhouse
2 – 16 May
6 May
6-8 wk
27 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
4 – 18 May
24 May
6-8 wk
29 Jun
5 Jul
0 wk
15 Aug
7 wk after
Wood sage
Salvia nemorosa
18 Apr – 2 May
8-10 wk
27 Jun
0 wk
1 Aug
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
24 Apr – 22 May
6-10 wk
3 Jul
1 wk after
California goldenpoppy
Eschscholzia californica
27 Jun
15 Jul
0 wk
1 Jul
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
1 – 15 May
3 May
8-10 wk
10 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 May
4 May
6-8 wk
27 Jun
0 wk
18 Jul
3 wk after