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0.2°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 28 May Frost 3 of 4 years · 20 years of data
Frost-free season 96 days 28 May – 1 Sep
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)
9 – 23 Apr
15 Jun
5-7 wk
28 May
20 Jul
0 wk
1 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
27 Jun
4-6 wk
28 May
25 Jul
0 wk
1 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
21 Mar
8-12 wk
12 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
9 – 23 Apr
10 Jun
5-7 wk
28 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
15 – 22 May
27 May
3-4 wk
12 Jun
17 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
20 – 27 May
22 May
4-5 wk
24 Jun
4 wk after
2 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
5 Mar – 2 Apr
21 Mar
8-12 wk
28 May
0 wk
7 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 Jun
1 wk after
1 Jun
1 wk after
Maize
Zea mays
Fleece
15 – 22 May
3-4 wk
12 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 May
18 Jun
3-4 wk
5 Jun
9 Jul
1 wk after
18 Jun
29 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
28 May
29 Jun
0 wk
28 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
9 – 23 Apr
10 Jun
5-7 wk
28 May
15 Jul
0 wk
28 May
5 Jul
0 wk
Potato
Solanum tuberosum
2 – 16 May
14 May
4-6 wk
13 Jun
2 wk after
13 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
9 – 23 Apr
14 Jun
5-7 wk
28 May
19 Jul
0 wk
1 Jun
9 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
27 May – 3 Jun
1 Jun
3-4 wk
24 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 May
17 May
3-4 wk
5 Jun
7 Jun
1 wk after
18 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Lettuce
Lactuca sativa
30 Apr – 7 May
3 Jul
3-4 wk
28 May
24 Jul
0 wk
1 Jun
14 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
30 Apr – 14 May
20 May
2-4 wk
28 May
3 Jun
0 wk
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
1 Jun
1 wk after
1 Jun
1 wk after
Spinach
Spinacia oleracea
30 Apr – 7 May
24 Jul
3-4 wk
28 May
14 Aug
0 wk
24 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
29 Jun – 13 Jul
4-6 wk
10 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
17 Apr – 1 May
6-8 wk
12 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
15 – 29 May
3 Jun
2-4 wk
12 Jun
17 Jun
2 wk after
2 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
22 Jun
4-6 wk
28 May
20 Jul
0 wk
Garden pea
Pisum sativum
30 Apr – 7 May
18 Jun
3-4 wk
28 May
9 Jul
0 wk
1 Jun
29 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
Greenhouse
1 – 15 May
27 May
4-6 wk
12 Jun
24 Jun
2 wk after
Lemon balm
Melissa officinalis
19 Mar – 2 Apr
14 May
8-10 wk
28 May
9 Jul
0 wk
2 Jul
5 wk after
Dill
Anethum graveolens
1 Jun
9 Jul
1 wk after
Wild chives
Allium schoenoprasum
2 – 16 Apr
3 Jun
6-8 wk
28 May
15 Jul
0 wk
1 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
5 Mar – 2 Apr
20 May
8-12 wk
28 May
15 Jul
0 wk
2 Jul
5 Jul
5 wk after
Coriander
Coriandrum sativum
28 May
29 Jul
0 wk
18 Jun
19 Jul
3 wk after
Garden sage
Salvia officinalis
27 Mar – 10 Apr
5 May
8-10 wk
5 Jun
30 Jun
1 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
10 May
8-10 wk
28 May
5 Jul
0 wk
Oregano
Origanum vulgare
2 – 16 Apr
24 May
6-8 wk
28 May
5 Jul
0 wk
2 Jul
5 wk after
Parsley
Petroselinum crispum
2 – 16 Apr
24 May
6-8 wk
28 May
5 Jul
0 wk
1 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
27 Feb – 27 Mar
13 Mar
10-14 wk
5 Jun
1 wk after

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
15 – 22 May
3 Jun
3-4 wk
12 Jun
24 Jun
2 wk after
Cornflower
Centaurea cyanus
28 May
15 Jul
0 wk
1 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
15 – 29 Apr
15 Apr
8-10 wk
24 Jun
4 wk after
Sweet William
Dianthus barbatus
2 – 16 Apr
6-8 wk
28 May
0 wk
13 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
29 Apr – 13 May
29 Apr
6-8 wk
24 Jun
4 wk after
10 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
21 Apr – 5 May
3 May
6-8 wk
16 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
7 May – 4 Jun
17 May
4-8 wk
2 Jul
5 wk after
2 Jul
5 wk after
Foxglove
Digitalis purpurea
19 Mar – 2 Apr
8-10 wk
28 May
0 wk
18 Jun
3 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
28 May
8-12 wk
10 Jul
23 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
29 Apr – 13 May
9 May
6-8 wk
24 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 May
4-6 wk
24 Jun
4 wk after
Chinese lantern
Physalis alkekengi
27 Mar – 10 Apr
4 Apr
8-10 wk
5 Jun
1 wk after
Love in a mist
Nigella damascena
28 May
24 Jun
0 wk
1 Jun
14 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
17 Apr – 1 May
26 Apr
6-8 wk
12 Jun
2 wk after
26 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
13 Mar – 10 Apr
4 Apr
8-12 wk
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
6 Mar – 3 Apr
21 Mar
8-12 wk
29 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
20 Mar – 17 Apr
19 Apr
8-12 wk
12 Jun
14 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
2 wk after
Corn poppy
Papaver rhoeas
28 May
9 Jul
0 wk
1 Jun
29 Jun
1 wk after
Snapdragon
Antirrhinum majus
5 Mar – 2 Apr
4 May
8-12 wk
28 May
29 Jun
0 wk
13 Jun
19 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
15 – 29 Apr
2 May
8-10 wk
24 Jun
27 Jun
4 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Apr
31 May
5-8 wk
28 May
5 Jul
0 wk
Stock
Matthiola incana
2 – 16 Apr
28 May
6-8 wk
28 May
9 Jul
0 wk
18 Jun
29 Jun
3 wk after
Wormwood
Artemisia absinthium
2 – 16 Apr
4 May
6-8 wk
28 May
15 Jun
0 wk
18 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
1 – 15 May
12 May
4-6 wk
12 Jun
2 wk after
Garden pansy
Viola × wittrockiana
19 Mar – 2 Apr
20 May
8-10 wk
28 May
15 Jul
0 wk
13 Jun
5 Jul
2 wk after
Petunia
Petunia
1 – 29 Apr
15 Apr
8-12 wk
24 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
10 – 24 Apr
18 Apr
6-8 wk
5 Jun
1 wk after
16 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
1 – 15 May
27 May
4-6 wk
12 Jun
24 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
8 – 22 May
3 Jun
3-5 wk
12 Jun
24 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
13 – 27 May
17 May
4-6 wk
24 Jun
4 wk after
16 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
1 – 29 Apr
19 May
8-12 wk
24 Jun
14 Jul
4 wk after
Bee balm
Monarda didyma
5 Mar – 2 Apr
14 Apr
8-12 wk
28 May
9 Jun
0 wk
2 Jul
5 wk after
Yarrow
Achillea millefolium
2 – 16 Apr
4 Apr
6-8 wk
28 May
0 wk
18 Jun
3 wk after
Safflower
Carthamus tinctorius
28 May
15 Jun
0 wk
1 Jun
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
2 – 16 Apr
24 May
6-8 wk
28 May
5 Jul
0 wk
10 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
16 – 30 Apr
1 Jun
4-6 wk
28 May
29 Jun
0 wk
18 Jun
19 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Mar – 3 Apr
24 Mar
10-12 wk
12 Jun
2 wk after
Sunflower
Helianthus annuus
27 May – 3 Jun
3-4 wk
24 Jun
4 wk after
2 Jul
5 wk after
China aster
Callistephus chinensis
29 Apr – 13 May
10 May
6-8 wk
24 Jun
4 wk after
16 Jul
7 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
9 May
6-8 wk
12 Jun
20 Jun
2 wk after
16 Jul
7 wk after
Hollyhock
Alcea rosea
2 – 16 Apr
6-8 wk
28 May
0 wk
18 Jun
3 wk after
Alpine delphinium
Delphinium elatum
5 Mar – 2 Apr
14 Apr
8-12 wk
28 May
9 Jun
0 wk
2 Jul
5 wk after
African marigold
Tagetes erecta
29 Apr – 13 May
9 May
6-8 wk
24 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
10 – 24 Apr
30 Apr
6-8 wk
5 Jun
11 Jun
1 wk after
16 Jul
7 wk after
Wood sage
Salvia nemorosa
19 Mar – 2 Apr
4 Apr
8-10 wk
28 May
30 May
0 wk
2 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 Apr – 1 May
13 May
6-10 wk
12 Jun
24 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
28 May
4 Jul
0 wk
1 Jun
24 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
3 – 17 Apr
24 Apr
8-10 wk
12 Jun
19 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Apr
4 May
6-8 wk
28 May
15 Jun
0 wk
18 Jun
3 wk after