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-1.4°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 3 of 4 years · 20 years of data
Frost-free season 96 days 27 May – 31 Aug
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)
8 – 22 Apr
11 Jun
5-7 wk
27 May
16 Jul
0 wk
28 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
23 Jun
4-6 wk
27 May
21 Jul
0 wk
28 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
6 Jun
5-7 wk
27 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
5 – 12 May
3-4 wk
2 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Season too short
28 Apr – 5 May
24 May
4-5 wk
2 Jun
21 Jun
1 wk after
9 Jun
11 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
4 Mar – 1 Apr
14 Mar
8-12 wk
27 May
0 wk
27 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
18 May
29 May
1 wk before
18 May
19 May
1 wk before
Maize
Zea mays
Season too short
29 Apr – 6 May
3-4 wk
27 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
15 Jun
3-4 wk
29 May
6 Jul
0 wk
9 Jun
26 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
21 Jun
0 wk
27 May
11 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
6 Jun
5-7 wk
27 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Potato
Solanum tuberosum
Greenhouse
12 – 26 Apr
10 May
4-6 wk
24 May
7 Jun
0 wk
24 May
28 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
6 Jun
5-7 wk
27 May
11 Jul
0 wk
28 May
1 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
5 – 12 May
1 Jun
3-4 wk
2 Jun
22 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
29 Apr – 6 May
20 May
3-4 wk
27 May
10 Jun
0 wk
27 May
31 May
0 wk
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
25 Jun
3-4 wk
27 May
16 Jul
0 wk
28 May
6 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
13 – 27 Apr
16 May
2-4 wk
11 May
30 May
2 wk before
11 May
20 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
18 May
29 May
1 wk before
18 May
19 May
1 wk before
Spinach
Spinacia oleracea
29 Apr – 6 May
20 Jul
3-4 wk
27 May
10 Aug
0 wk
24 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
21 Jun – 5 Jul
4-6 wk
2 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
1 – 15 Apr
6-8 wk
27 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
29 Apr – 13 May
3 Jun
2-4 wk
27 May
17 Jun
0 wk
9 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
10 Jun
3-4 wk
27 May
1 Jul
0 wk
28 May
21 Jun
0 wk

Herbs

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