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-0.3°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 3 May Frost 3 of 4 years · 20 years of data
Frost-free season 157 days 3 May – 7 Oct
Probability that frost is over

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