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-0.2°
Slight frost tonight at 05:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 1 of 10 years · 20 years of data
Frost-free season 137 days 22 May – 6 Oct
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)
3 – 17 Apr
16 Jun
5-7 wk
22 May
21 Jul
0 wk
15 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Apr
28 Jun
4-6 wk
22 May
26 Jul
0 wk
15 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
11 Jun
5-7 wk
22 May
16 Jul
0 wk
10 May
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
15 May
3-4 wk
2 Jun
5 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
23 – 30 May
8 Jun
4-5 wk
27 Jun
6 Jul
5 wk after
27 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 Jun
3-4 wk
4 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
1 Apr
8-12 wk
22 May
27 May
0 wk
1 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
15 May
16 Jun
1 wk before
15 May
6 Jun
1 wk before
Maize
Zea mays
Greenhouse
24 Apr – 1 May
5 May
3-4 wk
22 May
26 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
30 Apr – 7 May
5 Jul
3-4 wk
28 May
26 Jul
1 wk after
1 Jun
16 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
6 Jul
0 wk
10 May
26 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
11 Jun
5-7 wk
22 May
16 Jul
0 wk
10 May
6 Jul
2 wk before
Potato
Solanum tuberosum
15 – 29 Apr
8 Jun
4-6 wk
27 May
6 Jul
1 wk after
27 May
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
21 Jun
5-7 wk
22 May
26 Jul
0 wk
15 May
16 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
13 – 20 May
20 May
3-4 wk
10 Jun
10 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
30 Apr – 7 May
21 Jun
3-4 wk
28 May
12 Jul
1 wk after
1 Jun
2 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Apr
23 Jun
4-6 wk
22 May
21 Jul
0 wk
Lettuce
Lactuca sativa
24 Apr – 1 May
10 Jul
3-4 wk
22 May
31 Jul
0 wk
15 May
21 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
10 – 24 Apr
23 Jun
4-6 wk
22 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
2 Jun
2-4 wk
10 May
16 Jun
2 wk before
10 May
6 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 May
16 Jun
1 wk before
15 May
6 Jun
1 wk before
Spinach
Spinacia oleracea
24 Apr – 1 May
25 Jul
3-4 wk
22 May
15 Aug
0 wk
4 May
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
18 Jun – 2 Jul
4-6 wk
30 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
27 Mar – 10 Apr
14 Apr
6-8 wk
22 May
26 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
22 May
2-4 wk
2 Jun
5 Jun
2 wk after
12 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Apr
23 Jun
4-6 wk
22 May
21 Jul
0 wk
Garden pea
Pisum sativum
24 Apr – 1 May
25 Jun
3-4 wk
22 May
16 Jul
0 wk
15 May
6 Jul
1 wk before

Herbs

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