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0.6°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-1.4°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 4 May Frost 9 of 10 years · 20 years of data
Frost-free season 137 days 4 May – 18 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)
16 – 30 Mar
20 Jun
5-7 wk
4 May
25 Jul
0 wk
28 Apr
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
23 Mar – 6 Apr
2 Jul
4-6 wk
4 May
30 Jul
0 wk
28 Apr
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
27 Feb – 27 Mar
8-12 wk
22 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
16 – 30 Mar
15 Jun
5-7 wk
4 May
20 Jul
0 wk
21 Apr
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
24 Apr – 1 May
3-4 wk
22 May
3 wk after
Florence Fennel
Foeniculum vulgare
10 – 17 May
22 May
4-5 wk
14 Jun
19 Jun
6 wk after
14 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
27 May – 3 Jun
3-4 wk
24 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Feb – 9 Mar
2 Apr
8-12 wk
4 May
28 May
0 wk
17 May
18 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 Apr
17 Jun
1 wk before
28 Apr
7 Jun
1 wk before
Maize
Zea mays
Season too short
6 – 13 Apr
3-4 wk
4 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 Apr
24 Jun
3-4 wk
4 May
15 Jul
0 wk
17 May
5 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
4 May
10 Jul
0 wk
21 Apr
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
16 – 30 Mar
15 Jun
5-7 wk
4 May
20 Jul
0 wk
21 Apr
10 Jul
2 wk before
Potato
Solanum tuberosum
28 Mar – 11 Apr
30 May
4-6 wk
9 May
27 Jun
1 wk after
9 May
17 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
16 – 30 Mar
25 Jun
5-7 wk
4 May
30 Jul
0 wk
28 Apr
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
24 Apr – 1 May
19 May
3-4 wk
22 May
9 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 Apr
13 Jun
3-4 wk
4 May
4 Jul
0 wk
17 May
24 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
23 Mar – 6 Apr
27 Jun
4-6 wk
4 May
25 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 Apr
14 Jul
3-4 wk
4 May
4 Aug
0 wk
28 Apr
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Mar – 6 Apr
27 Jun
4-6 wk
4 May
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Mar – 7 Apr
6 Jun
2-4 wk
21 Apr
20 Jun
2 wk before
21 Apr
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 Apr
17 Jun
1 wk before
28 Apr
7 Jun
1 wk before
Spinach
Spinacia oleracea
6 – 13 Apr
29 Jul
3-4 wk
4 May
19 Aug
0 wk
14 Apr
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
9 – 23 Mar
6-8 wk
4 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
6 – 20 Apr
21 May
2-4 wk
4 May
4 Jun
0 wk
17 May
25 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
23 Mar – 6 Apr
27 Jun
4-6 wk
4 May
25 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 Apr
29 Jun
3-4 wk
4 May
20 Jul
0 wk
28 Apr
10 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
10 – 24 Apr
27 Apr
4-6 wk
22 May
25 May
3 wk after
Lemon balm
Melissa officinalis
23 Feb – 9 Mar
25 May
8-10 wk
4 May
20 Jul
0 wk
30 May
10 Jul
4 wk after
Dill
Anethum graveolens
28 Apr
15 Jul
1 wk before
Wild chives
Allium schoenoprasum
9 – 23 Mar
8 Jun
6-8 wk
4 May
20 Jul
0 wk
28 Apr
10 Jul
1 wk before
Spearmint
Mentha spicata
9 Feb – 9 Mar
25 May
8-12 wk
4 May
20 Jul
0 wk
30 May
10 Jul
4 wk after
Coriander
Coriandrum sativum
4 May
4 Aug
0 wk
17 May
25 Jul
2 wk after
Garden sage
Salvia officinalis
23 Feb – 9 Mar
10 May
8-10 wk
4 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
23 Feb – 9 Mar
15 May
8-10 wk
4 May
10 Jul
0 wk
Oregano
Origanum vulgare
9 – 23 Mar
29 May
6-8 wk
4 May
10 Jul
0 wk
30 May
30 Jun
4 wk after
Parsley
Petroselinum crispum
9 – 23 Mar
29 May
6-8 wk
4 May
10 Jul
0 wk
28 Apr
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
26 Jan – 23 Feb
25 Mar
10-14 wk
4 May
3 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
Greenhouse
24 Apr – 1 May
4 May
3-4 wk
22 May
25 May
3 wk after
Cornflower
Centaurea cyanus
4 May
20 Jul
0 wk
28 Apr
10 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
13 – 27 Mar
26 Mar
8-10 wk
22 May
3 wk after
Sweet William
Dianthus barbatus
9 – 23 Mar
6-8 wk
4 May
0 wk
9 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
27 Mar – 10 Apr
9 Apr
6-8 wk
22 May
3 wk after
19 Jun
7 wk after
Pinnate dahlia
Dahlia × pinnata
31 Mar – 14 Apr
3 Apr
6-8 wk
26 May
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
4 Apr – 2 May
17 Apr
4-8 wk
30 May
4 wk after
30 May
4 wk after
Foxglove
Digitalis purpurea
23 Feb – 9 Mar
8-10 wk
4 May
0 wk
17 May
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
8 Mar – 5 Apr
15 May
8-12 wk
31 May
10 Jul
4 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
27 Mar – 10 Apr
19 Apr
6-8 wk
22 May
31 May
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
19 Apr – 3 May
4-6 wk
31 May
4 wk after
Chinese lantern
Physalis alkekengi
23 Feb – 9 Mar
10 Apr
8-10 wk
4 May
5 Jun
0 wk
Love in a mist
Nigella damascena
4 May
5 Jul
0 wk
28 Apr
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
27 Mar – 10 Apr
30 Mar
6-8 wk
22 May
3 wk after
19 Jun
7 wk after
Purple-top vervain
Verbena bonariensis
9 Feb – 9 Mar
10 Apr
8-12 wk
4 May
5 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
27 Feb – 27 Mar
26 Mar
8-12 wk
22 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
27 Feb – 27 Mar
20 Mar
8-12 wk
22 May
3 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
27 Mar – 10 Apr
3 Apr
6-8 wk
22 May
3 wk after
Corn poppy
Papaver rhoeas
4 May
20 Jul
0 wk
28 Apr
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
9 Feb – 9 Mar
15 May
8-12 wk
4 May
10 Jul
0 wk
9 May
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
22 Mar – 5 Apr
5 Apr
8-10 wk
31 May
31 May
4 wk after
Sweet pea
Lathyrus odoratus
9 – 30 Mar
5 Jun
5-8 wk
4 May
10 Jul
0 wk
Stock
Matthiola incana
9 – 23 Mar
8 Jun
6-8 wk
4 May
20 Jul
0 wk
17 May
10 Jul
2 wk after
Wormwood
Artemisia absinthium
9 – 23 Mar
9 May
6-8 wk
4 May
20 Jun
0 wk
17 May
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
10 – 24 Apr
12 Apr
4-6 wk
22 May
3 wk after
Garden pansy
Viola × wittrockiana
23 Feb – 9 Mar
25 May
8-10 wk
4 May
20 Jul
0 wk
9 May
10 Jul
1 wk after
Petunia
Petunia
Fleece
27 Feb – 27 Mar
26 Mar
8-12 wk
22 May
3 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Mar
24 Apr
6-8 wk
4 May
5 Jun
0 wk
14 Jun
6 wk after
Common zinnia
Zinnia elegans
Fleece
10 – 24 Apr
27 Apr
4-6 wk
22 May
25 May
3 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
17 Apr – 1 May
4 May
3-5 wk
22 May
25 May
3 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
10 – 24 Apr
24 Apr
4-6 wk
22 May
22 May
3 wk after
30 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
8 Mar – 5 Apr
19 Apr
8-12 wk
31 May
14 Jun
4 wk after
Bee balm
Monarda didyma
9 Feb – 9 Mar
25 Apr
8-12 wk
4 May
20 Jun
0 wk
30 May
10 Jun
4 wk after
Yarrow
Achillea millefolium
9 – 23 Mar
9 Apr
6-8 wk
4 May
21 May
0 wk
17 May
2 wk after
Safflower
Carthamus tinctorius
4 May
20 Jun
0 wk
28 Apr
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
9 – 23 Mar
29 May
6-8 wk
4 May
10 Jul
0 wk
19 Mar
30 Jun
7 wk before
Bishop's flower
Ammi majus
23 Mar – 6 Apr
12 Jun
4-6 wk
4 May
10 Jul
0 wk
17 May
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
27 Feb – 13 Mar
10-12 wk
22 May
3 wk after
Sunflower
Helianthus annuus
3 – 10 May
2 Jun
3-4 wk
31 May
23 Jun
4 wk after
30 May
13 Jun
4 wk after
China aster
Callistephus chinensis
5 – 19 Apr
22 May
6-8 wk
31 May
3 Jul
4 wk after
14 Jun
23 Jun
6 wk after
Annual phlox
Phlox drummondii
Fleece
9 – 23 Mar
19 Apr
6-8 wk
4 May
31 May
0 wk
30 May
4 wk after
Hollyhock
Alcea rosea
9 – 23 Mar
6-8 wk
4 May
0 wk
17 May
2 wk after
Alpine delphinium
Delphinium elatum
9 Feb – 9 Mar
25 Apr
8-12 wk
4 May
20 Jun
0 wk
30 May
10 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
27 Mar – 10 Apr
19 Apr
6-8 wk
22 May
31 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Mar
12 May
6-8 wk
4 May
23 Jun
0 wk
14 Jun
6 wk after
Wood sage
Salvia nemorosa
23 Feb – 9 Mar
15 Apr
8-10 wk
4 May
10 Jun
0 wk
30 May
31 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
13 Mar – 10 Apr
13 Apr
6-10 wk
22 May
25 May
3 wk after
California goldenpoppy
Eschscholzia californica
4 May
20 Jul
0 wk
28 Apr
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
22 Mar – 5 Apr
24 Apr
8-10 wk
31 May
19 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
9 – 23 Mar
9 May
6-8 wk
4 May
20 Jun
0 wk
17 May
10 Jun
2 wk after