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0.7°
Near frost tonight at 04:00. Bring in or cover sensitive plants
-3.0°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 9 of 10 years · 20 years of data
Frost-free season 122 days 6 May – 5 Sep
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)
18 Mar – 1 Apr
17 Jun
5-7 wk
6 May
22 Jul
0 wk
29 Apr
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
29 Jun
4-6 wk
6 May
27 Jul
0 wk
29 Apr
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
22 Feb – 22 Mar
8-12 wk
17 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Mar – 1 Apr
12 Jun
5-7 wk
6 May
17 Jul
0 wk
24 Apr
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
19 – 26 Apr
3-4 wk
17 May
2 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 May
26 May
4-5 wk
11 Jun
23 Jun
5 wk after
11 Jun
13 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 May
3-4 wk
18 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Feb – 11 Mar
28 Mar
8-12 wk
6 May
23 May
0 wk
16 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 Apr
12 Jun
1 wk before
29 Apr
2 Jun
1 wk before
Maize
Zea mays
Season too short
8 – 15 Apr
3-4 wk
6 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 Apr
30 Jun
3-4 wk
12 May
21 Jul
1 wk after
16 May
11 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 May
7 Jul
0 wk
24 Apr
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Mar – 1 Apr
12 Jun
5-7 wk
6 May
17 Jul
0 wk
24 Apr
7 Jul
2 wk before
Potato
Solanum tuberosum
30 Mar – 13 Apr
28 May
4-6 wk
11 May
25 Jun
1 wk after
11 May
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Mar – 1 Apr
22 Jun
5-7 wk
6 May
27 Jul
0 wk
29 Apr
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
19 – 26 Apr
10 May
3-4 wk
17 May
31 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 Apr
9 Jun
3-4 wk
12 May
30 Jun
1 wk after
16 May
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
24 Jun
4-6 wk
6 May
22 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 Apr
11 Jul
3-4 wk
6 May
1 Aug
0 wk
29 Apr
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
24 Jun
4-6 wk
6 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Mar – 10 Apr
31 May
2-4 wk
24 Apr
14 Jun
2 wk before
24 Apr
4 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
12 Jun
1 wk before
29 Apr
2 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 Apr
26 Jul
3-4 wk
6 May
16 Aug
0 wk
18 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
11 – 25 Mar
6-8 wk
6 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
8 – 22 Apr
12 May
2-4 wk
6 May
26 May
0 wk
16 May
16 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
24 Jun
4-6 wk
6 May
22 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 Apr
26 Jun
3-4 wk
6 May
17 Jul
0 wk
29 Apr
7 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
Greenhouse
5 – 19 Apr
18 Apr
4-6 wk
17 May
2 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
22 May
8-10 wk
6 May
17 Jul
0 wk
27 May
7 Jul
3 wk after
Dill
Anethum graveolens
29 Apr
21 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Mar
5 Jun
6-8 wk
6 May
17 Jul
0 wk
29 Apr
7 Jul
1 wk before
Spearmint
Mentha spicata
11 Feb – 11 Mar
22 May
8-12 wk
6 May
17 Jul
0 wk
27 May
7 Jul
3 wk after
Coriander
Coriandrum sativum
6 May
10 Aug
0 wk
16 May
31 Jul
1 wk after
Garden sage
Salvia officinalis
3 – 17 Mar
7 May
8-10 wk
12 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
25 Feb – 11 Mar
12 May
8-10 wk
6 May
7 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Mar
26 May
6-8 wk
6 May
7 Jul
0 wk
27 May
27 Jun
3 wk after
Parsley
Petroselinum crispum
11 – 25 Mar
26 May
6-8 wk
6 May
7 Jul
0 wk
29 Apr
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
3 Feb – 3 Mar
27 Mar
10-14 wk
12 May
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
19 – 26 Apr
25 Apr
3-4 wk
17 May
2 wk after
Cornflower
Centaurea cyanus
6 May
17 Jul
0 wk
29 Apr
7 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
8 – 22 Mar
26 Mar
8-10 wk
17 May
21 May
2 wk after
Sweet William
Dianthus barbatus
11 – 25 Mar
6-8 wk
6 May
0 wk
11 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
22 Mar – 5 Apr
9 Apr
6-8 wk
17 May
21 May
2 wk after
21 Jun
7 wk after
Pinnate dahlia
Dahlia × pinnata
25 Mar – 8 Apr
25 Mar
6-8 wk
20 May
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
1 – 29 Apr
8 Apr
4-8 wk
27 May
3 wk after
27 May
3 wk after
Foxglove
Digitalis purpurea
25 Feb – 11 Mar
8-10 wk
6 May
0 wk
16 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
2 – 30 Mar
6 May
8-12 wk
25 May
1 Jul
3 wk after
Creeping zinnia
Sanvitalia procumbens
30 Mar – 13 Apr
4 Apr
6-8 wk
25 May
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 Apr
4-6 wk
25 May
3 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Mar
16 Apr
8-10 wk
12 May
11 Jun
1 wk after
Love in a mist
Nigella damascena
6 May
2 Jul
0 wk
29 Apr
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
22 Mar – 5 Apr
30 Mar
6-8 wk
17 May
2 wk after
21 Jun
7 wk after
Purple-top vervain
Verbena bonariensis
17 Feb – 17 Mar
16 Apr
8-12 wk
12 May
11 Jun
1 wk after
Cardoon
Cynara cardunculus
2 – 30 Mar
17 Mar
8-12 wk
25 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Feb – 22 Mar
11 Mar
8-12 wk
17 May
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
22 Mar – 5 Apr
25 Mar
6-8 wk
17 May
2 wk after
Corn poppy
Papaver rhoeas
6 May
17 Jul
0 wk
29 Apr
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
12 May
8-12 wk
6 May
7 Jul
0 wk
11 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
16 – 30 Mar
5 Apr
8-10 wk
25 May
31 May
3 wk after
Sweet pea
Lathyrus odoratus
11 Mar – 1 Apr
2 Jun
5-8 wk
6 May
7 Jul
0 wk
Stock
Matthiola incana
11 – 25 Mar
5 Jun
6-8 wk
6 May
17 Jul
0 wk
16 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
11 – 25 Mar
6 May
6-8 wk
6 May
17 Jun
0 wk
16 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
5 – 19 Apr
4-6 wk
17 May
2 wk after
Garden pansy
Viola × wittrockiana
25 Feb – 11 Mar
22 May
8-10 wk
6 May
17 Jul
0 wk
11 May
7 Jul
1 wk after
Petunia
Petunia
Fleece
22 Feb – 22 Mar
26 Mar
8-12 wk
17 May
21 May
2 wk after
Sweet Scabious
Scabiosa atropurpurea
17 – 31 Mar
30 Apr
6-8 wk
12 May
11 Jun
1 wk after
11 Jun
5 wk after
Common zinnia
Zinnia elegans
Fleece
5 – 19 Apr
18 Apr
4-6 wk
17 May
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
12 – 26 Apr
25 Apr
3-5 wk
17 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
5 – 19 Apr
24 Apr
4-6 wk
17 May
22 May
2 wk after
27 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
2 – 30 Mar
10 Apr
8-12 wk
25 May
5 Jun
3 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
22 Apr
8-12 wk
6 May
17 Jun
0 wk
27 May
7 Jun
3 wk after
Yarrow
Achillea millefolium
11 – 25 Mar
6 Apr
6-8 wk
6 May
18 May
0 wk
16 May
1 wk after
Safflower
Carthamus tinctorius
6 May
17 Jun
0 wk
29 Apr
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Mar
26 May
6-8 wk
6 May
7 Jul
0 wk
28 Mar
27 Jun
6 wk before
Bishop's flower
Ammi majus
25 Mar – 8 Apr
9 Jun
4-6 wk
6 May
7 Jul
0 wk
16 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Feb – 8 Mar
10-12 wk
17 May
2 wk after
Sunflower
Helianthus annuus
27 Apr – 4 May
4 Jun
3-4 wk
25 May
25 Jun
3 wk after
27 May
15 Jun
3 wk after
China aster
Callistephus chinensis
30 Mar – 13 Apr
24 May
6-8 wk
25 May
5 Jul
3 wk after
11 Jun
25 Jun
5 wk after
Annual phlox
Phlox drummondii
22 Mar – 5 Apr
4 Apr
6-8 wk
17 May
2 wk after
11 Jun
5 wk after
Hollyhock
Alcea rosea
11 – 25 Mar
6-8 wk
6 May
0 wk
16 May
1 wk after
Alpine delphinium
Delphinium elatum
11 Feb – 11 Mar
22 Apr
8-12 wk
6 May
17 Jun
0 wk
27 May
7 Jun
3 wk after
African marigold
Tagetes erecta
30 Mar – 13 Apr
4 Apr
6-8 wk
25 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
17 – 31 Mar
14 May
6-8 wk
12 May
25 Jun
1 wk after
11 Jun
15 Jun
5 wk after
Wood sage
Salvia nemorosa
25 Feb – 11 Mar
12 Apr
8-10 wk
6 May
7 Jun
0 wk
27 May
28 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
8 Mar – 5 Apr
4 Apr
6-10 wk
17 May
2 wk after
California goldenpoppy
Eschscholzia californica
6 May
17 Jul
0 wk
29 Apr
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
16 – 30 Mar
28 Apr
8-10 wk
25 May
23 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Mar
6 May
6-8 wk
6 May
17 Jun
0 wk
16 May
7 Jun
1 wk after