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0.3°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-2.4°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 10 years · 20 years of data
Frost-free season 149 days 30 May – 26 Oct
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

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