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Last 24h: Near frost recorded last night at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Normal year · 20 years of data
Frost-free season 153 days 8 May – 8 Oct
Probability that frost is over

50% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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