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0.3°
Near frost this morning at 06:00. Bring in or cover sensitive plants
-1.4°
Last 24h: Slight frost recorded tonight at 04:00. 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 139 days 6 May – 22 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
18 Jun
5-7 wk
6 May
23 Jul
0 wk
29 Apr
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
30 Jun
4-6 wk
6 May
28 Jul
0 wk
29 Apr
18 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
13 Jun
5-7 wk
6 May
18 Jul
0 wk
24 Apr
8 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
3 Apr
8-12 wk
6 May
29 May
0 wk
16 May
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 Apr
18 Jun
1 wk before
29 Apr
8 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
1 Jul
3-4 wk
12 May
22 Jul
1 wk after
16 May
12 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 May
8 Jul
0 wk
24 Apr
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Mar – 1 Apr
13 Jun
5-7 wk
6 May
18 Jul
0 wk
24 Apr
8 Jul
2 wk before
Potato
Solanum tuberosum
30 Mar – 13 Apr
5 Jun
4-6 wk
11 May
3 Jul
1 wk after
11 May
23 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Mar – 1 Apr
23 Jun
5-7 wk
6 May
28 Jul
0 wk
29 Apr
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
19 – 26 Apr
24 May
3-4 wk
17 May
14 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 Apr
15 Jun
3-4 wk
12 May
6 Jul
1 wk after
16 May
26 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 Apr
12 Jul
3-4 wk
6 May
2 Aug
0 wk
29 Apr
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Mar – 10 Apr
4 Jun
2-4 wk
24 Apr
18 Jun
2 wk before
24 Apr
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
18 Jun
1 wk before
29 Apr
8 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 Apr
27 Jul
3-4 wk
6 May
17 Aug
0 wk
18 Apr
7 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
26 May
2-4 wk
6 May
9 Jun
0 wk
16 May
30 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 Apr
27 Jun
3-4 wk
6 May
18 Jul
0 wk
29 Apr
8 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
2 May
4-6 wk
17 May
30 May
2 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
23 May
8-10 wk
6 May
18 Jul
0 wk
27 May
8 Jul
3 wk after
Dill
Anethum graveolens
29 Apr
22 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Mar
6 Jun
6-8 wk
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Spearmint
Mentha spicata
11 Feb – 11 Mar
23 May
8-12 wk
6 May
18 Jul
0 wk
27 May
8 Jul
3 wk after
Coriander
Coriandrum sativum
6 May
11 Aug
0 wk
16 May
1 Aug
1 wk after
Garden sage
Salvia officinalis
3 – 17 Mar
8 May
8-10 wk
12 May
3 Jul
1 wk after
Common thyme
Thymus vulgaris
25 Feb – 11 Mar
13 May
8-10 wk
6 May
8 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
27 May
28 Jun
3 wk after
Parsley
Petroselinum crispum
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
29 Apr
28 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
9 May
3-4 wk
17 May
30 May
2 wk after
Cornflower
Centaurea cyanus
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
8 – 22 Mar
28 Mar
8-10 wk
17 May
23 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
11 Apr
6-8 wk
17 May
23 May
2 wk after
21 Jun
7 wk after
Pinnate dahlia
Dahlia × pinnata
25 Mar – 8 Apr
8 Apr
6-8 wk
20 May
20 May
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
1 – 29 Apr
22 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
20 May
8-12 wk
25 May
15 Jul
3 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
22 Mar – 5 Apr
21 Apr
6-8 wk
17 May
2 Jun
2 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
17 Apr
8-10 wk
12 May
12 Jun
1 wk after
Love in a mist
Nigella damascena
6 May
3 Jul
0 wk
29 Apr
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
22 Mar – 5 Apr
1 Apr
6-8 wk
17 May
2 wk after
21 Jun
7 wk after
Purple-top vervain
Verbena bonariensis
17 Feb – 17 Mar
17 Apr
8-12 wk
12 May
12 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
22 Feb – 22 Mar
24 Mar
8-12 wk
17 May
19 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Feb – 22 Mar
25 Mar
8-12 wk
17 May
20 May
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
22 Mar – 5 Apr
8 Apr
6-8 wk
17 May
20 May
2 wk after
Corn poppy
Papaver rhoeas
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
13 May
8-12 wk
6 May
8 Jul
0 wk
11 May
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
16 – 30 Mar
7 Apr
8-10 wk
25 May
2 Jun
3 wk after
Sweet pea
Lathyrus odoratus
11 Mar – 1 Apr
3 Jun
5-8 wk
6 May
8 Jul
0 wk
Stock
Matthiola incana
11 – 25 Mar
6 Jun
6-8 wk
6 May
18 Jul
0 wk
16 May
8 Jul
1 wk after
Wormwood
Artemisia absinthium
11 – 25 Mar
7 May
6-8 wk
6 May
18 Jun
0 wk
16 May
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
5 – 19 Apr
17 Apr
4-6 wk
17 May
2 wk after
Garden pansy
Viola × wittrockiana
25 Feb – 11 Mar
23 May
8-10 wk
6 May
18 Jul
0 wk
11 May
8 Jul
1 wk after
Petunia
Petunia
Fleece
22 Feb – 22 Mar
28 Mar
8-12 wk
17 May
23 May
2 wk after
Sweet Scabious
Scabiosa atropurpurea
17 – 31 Mar
1 May
6-8 wk
12 May
12 Jun
1 wk after
11 Jun
5 wk after
Common zinnia
Zinnia elegans
Fleece
5 – 19 Apr
2 May
4-6 wk
17 May
30 May
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
12 – 26 Apr
9 May
3-5 wk
17 May
30 May
2 wk after
Garden cosmos
Cosmos bipinnatus
13 – 27 Apr
22 Apr
4-6 wk
25 May
3 wk after
11 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
2 – 30 Mar
24 Apr
8-12 wk
25 May
19 Jun
3 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
23 Apr
8-12 wk
6 May
18 Jun
0 wk
27 May
8 Jun
3 wk after
Yarrow
Achillea millefolium
11 – 25 Mar
7 Apr
6-8 wk
6 May
19 May
0 wk
16 May
1 wk after
Safflower
Carthamus tinctorius
6 May
18 Jun
0 wk
29 Apr
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
28 Mar
28 Jun
6 wk before
Bishop's flower
Ammi majus
25 Mar – 8 Apr
10 Jun
4-6 wk
6 May
8 Jul
0 wk
16 May
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Feb – 8 Mar
27 Feb
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
6 Apr
6-8 wk
17 May
18 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
23 Apr
8-12 wk
6 May
18 Jun
0 wk
27 May
8 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
22 Mar – 5 Apr
21 Apr
6-8 wk
17 May
2 Jun
2 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
13 Apr
8-10 wk
6 May
8 Jun
0 wk
27 May
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
8 Mar – 5 Apr
18 Apr
6-10 wk
17 May
30 May
2 wk after
California goldenpoppy
Eschscholzia californica
6 May
18 Jul
0 wk
29 Apr
8 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
7 May
6-8 wk
6 May
18 Jun
0 wk
16 May
8 Jun
1 wk after