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Near frost tonight at 02:00. Frost temperatures between tomorrow 02:00 – 03:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 18 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 87 days 18 Jun – 13 Sep
Probability that frost is over

75% = 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)
30 Apr – 14 May
11 Jun
5-7 wk
18 Jun
16 Jul
0 wk
19 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 May
23 Jun
4-6 wk
18 Jun
21 Jul
0 wk
19 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
1 – 29 Apr
8-12 wk
24 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Apr – 14 May
6 Jun
5-7 wk
18 Jun
11 Jul
0 wk
18 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
20 – 27 May
3 Jun
4-5 wk
24 Jun
1 Jul
1 wk after
1 Jul
2 wk after
Butter bean
Phaseolus lunatus
Season too short
29 Jun – 6 Jul
3-4 wk
27 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
0 wk
18 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
9 Jun
1 wk before
9 Jun
1 wk before
Maize
Zea mays
Season too short
21 – 28 May
3-4 wk
18 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 May
30 Jun
3-4 wk
20 Jun
21 Jul
0 wk
1 Jul
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 Jun
1 Jul
0 wk
18 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Apr – 14 May
6 Jun
5-7 wk
18 Jun
11 Jul
0 wk
18 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Greenhouse
4 – 18 May
18 May
4-6 wk
15 Jun
15 Jun
0 wk
15 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Apr – 14 May
16 Jun
5-7 wk
18 Jun
21 Jul
0 wk
19 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
27 May – 3 Jun
15 Jun
3-4 wk
24 Jun
6 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
21 – 28 May
3-4 wk
18 Jun
0 wk
24 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 May
18 Jun
4-6 wk
18 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
21 – 28 May
5 Jul
3-4 wk
18 Jun
26 Jul
0 wk
19 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
7 – 21 May
18 Jun
4-6 wk
18 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
5 – 19 May
28 May
2-4 wk
2 Jun
11 Jun
2 wk before
2 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
9 Jun
1 wk before
9 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 May
20 Jul
3-4 wk
18 Jun
10 Aug
0 wk
15 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
13 – 27 Jul
4-6 wk
24 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
21 May – 4 Jun
17 Jun
2-4 wk
18 Jun
1 Jul
0 wk
1 Jul
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 May
18 Jun
4-6 wk
18 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
21 – 28 May
20 Jun
3-4 wk
18 Jun
11 Jul
0 wk
19 Jun
1 Jul
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
13 – 27 May
24 May
4-6 wk
24 Jun
1 wk after
Lemon balm
Melissa officinalis
9 – 23 Apr
16 May
8-10 wk
18 Jun
11 Jul
0 wk
13 Jul
4 wk after
Dill
Anethum graveolens
19 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
23 Apr – 7 May
30 May
6-8 wk
18 Jun
11 Jul
0 wk
19 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
26 Mar – 23 Apr
16 May
8-12 wk
18 Jun
11 Jul
0 wk
13 Jul
4 wk after
Coriander
Coriandrum sativum
18 Jun
10 Aug
0 wk
1 Jul
31 Jul
2 wk after
Garden sage
Salvia officinalis
11 – 25 Apr
1 May
8-10 wk
20 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
9 – 23 Apr
6 May
8-10 wk
18 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
23 Apr – 7 May
20 May
6-8 wk
18 Jun
1 Jul
0 wk
13 Jul
4 wk after
Parsley
Petroselinum crispum
23 Apr – 7 May
20 May
6-8 wk
18 Jun
1 Jul
0 wk
19 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
12 Mar – 9 Apr
2 Apr
10-14 wk
18 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
27 May – 3 Jun
31 May
3-4 wk
24 Jun
1 wk after
Cornflower
Centaurea cyanus
18 Jun
11 Jul
0 wk
19 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
9 – 23 Apr
29 Apr
8-10 wk
18 Jun
24 Jun
0 wk
Sweet William
Dianthus barbatus
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
28 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
23 Apr – 7 May
13 May
6-8 wk
18 Jun
24 Jun
0 wk
20 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
23 Apr – 7 May
18 May
6-8 wk
18 Jun
29 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
29 Apr – 27 May
1 Jun
4-8 wk
24 Jun
29 Jun
1 wk after
24 Jun
1 wk after
Foxglove
Digitalis purpurea
9 – 23 Apr
8-10 wk
18 Jun
0 wk
1 Jul
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
8 Apr – 6 May
11 Jun
8-12 wk
1 Jul
6 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
23 Apr – 7 May
23 May
6-8 wk
18 Jun
4 Jul
0 wk
Hyacinth bean
Dolichos lablab
Season too short
20 May – 3 Jun
4-6 wk
1 Jul
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
9 – 23 Apr
16 Apr
8-10 wk
18 Jun
0 wk
Love in a mist
Nigella damascena
18 Jun
26 Jun
0 wk
19 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
23 Apr – 7 May
3 May
6-8 wk
18 Jun
0 wk
20 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
26 Mar – 23 Apr
16 Apr
8-12 wk
18 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
1 – 29 Apr
16 Apr
8-12 wk
24 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
29 Apr – 13 May
30 Apr
6-8 wk
24 Jun
1 wk after
Corn poppy
Papaver rhoeas
18 Jun
11 Jul
0 wk
19 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
26 Mar – 23 Apr
6 May
8-12 wk
18 Jun
1 Jul
0 wk
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
15 – 29 Apr
9 May
8-10 wk
24 Jun
4 Jul
1 wk after
Sweet pea
Lathyrus odoratus
23 Apr – 14 May
27 May
5-8 wk
18 Jun
1 Jul
0 wk
Stock
Matthiola incana
23 Apr – 7 May
30 May
6-8 wk
18 Jun
11 Jul
0 wk
1 Jul
1 Jul
2 wk after
Wormwood
Artemisia absinthium
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
0 wk
1 Jul
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
13 – 27 May
4-6 wk
24 Jun
1 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Apr
16 May
8-10 wk
18 Jun
11 Jul
0 wk
28 Jun
1 Jul
1 wk after
Petunia
Petunia
Greenhouse
26 Mar – 23 Apr
29 Apr
8-12 wk
18 Jun
24 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
Fleece
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
0 wk
13 Jul
4 wk after
Common zinnia
Zinnia elegans
Greenhouse
7 – 21 May
30 May
4-6 wk
18 Jun
27 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
20 May – 3 Jun
31 May
3-5 wk
24 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
7 – 21 May
1 Jun
4-6 wk
18 Jun
29 Jun
0 wk
1 Jul
2 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
8 Apr – 6 May
16 May
8-12 wk
1 Jul
11 Jul
2 wk after
Bee balm
Monarda didyma
26 Mar – 23 Apr
16 Apr
8-12 wk
18 Jun
0 wk
13 Jul
4 wk after
Yarrow
Achillea millefolium
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
1 Jul
2 wk after
Safflower
Carthamus tinctorius
18 Jun
0 wk
19 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
23 Apr – 7 May
20 May
6-8 wk
18 Jun
1 Jul
0 wk
2 Jun
21 Jun
2 wk before
Bishop's flower
Ammi majus
7 – 21 May
3 Jun
4-6 wk
18 Jun
1 Jul
0 wk
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
1 – 15 Apr
10-12 wk
24 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
27 May – 3 Jun
10 Jun
3-4 wk
24 Jun
1 Jul
1 wk after
1 Jul
2 wk after
China aster
Callistephus chinensis
Fleece
29 Apr – 13 May
30 May
6-8 wk
24 Jun
11 Jul
1 wk after
13 Jul
4 wk after
Annual phlox
Phlox drummondii
Fleece
23 Apr – 7 May
13 May
6-8 wk
18 Jun
24 Jun
0 wk
13 Jul
4 wk after
Hollyhock
Alcea rosea
23 Apr – 7 May
6-8 wk
18 Jun
0 wk
1 Jul
2 wk after
Alpine delphinium
Delphinium elatum
26 Mar – 23 Apr
16 Apr
8-12 wk
18 Jun
0 wk
13 Jul
4 wk after
African marigold
Tagetes erecta
Greenhouse
23 Apr – 7 May
23 May
6-8 wk
18 Jun
4 Jul
0 wk
Black-eyed Susan
Rudbeckia hirta
25 Apr – 9 May
14 May
6-8 wk
20 Jun
25 Jun
0 wk
31 Jul
6 wk after
Wood sage
Salvia nemorosa
9 – 23 Apr
8-10 wk
18 Jun
0 wk
13 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
15 Apr – 13 May
10 May
6-10 wk
24 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
18 Jun
11 Jul
0 wk
19 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
15 – 29 Apr
6 May
8-10 wk
24 Jun
1 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
0 wk
1 Jul
2 wk after