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0.2°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-4.0°
Last 24h: Moderate frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 5 May Frost 3 of 4 years · 20 years of data
Frost-free season 147 days 5 May – 29 Sep
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)
17 – 31 Mar
17 Jun
5-7 wk
5 May
22 Jul
0 wk
28 Apr
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Mar – 7 Apr
29 Jun
4-6 wk
5 May
27 Jul
0 wk
28 Apr
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
1 – 29 Mar
26 Mar
8-12 wk
24 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 – 31 Mar
12 Jun
5-7 wk
5 May
17 Jul
0 wk
23 Apr
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
13 – 20 May
20 May
3-4 wk
10 Jun
10 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
6 – 13 May
29 May
4-5 wk
10 Jun
26 Jun
5 wk after
10 Jun
16 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
20 – 27 May
22 May
3-4 wk
17 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Feb – 10 Mar
1 Apr
8-12 wk
5 May
27 May
0 wk
15 May
17 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
28 Apr
16 Jun
1 wk before
28 Apr
6 Jun
1 wk before
Maize
Zea mays
26 Apr – 3 May
10 May
3-4 wk
24 May
31 May
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 Apr
6 Jul
3-4 wk
11 May
27 Jul
1 wk after
15 May
17 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 May
7 Jul
0 wk
23 Apr
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 – 31 Mar
12 Jun
5-7 wk
5 May
17 Jul
0 wk
23 Apr
7 Jul
2 wk before
Potato
Solanum tuberosum
29 Mar – 12 Apr
28 May
4-6 wk
10 May
25 Jun
1 wk after
10 May
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 – 31 Mar
22 Jun
5-7 wk
5 May
27 Jul
0 wk
28 Apr
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
13 – 20 May
15 Jun
3-4 wk
10 Jun
6 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 Apr
9 Jun
3-4 wk
11 May
30 Jun
1 wk after
15 May
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Mar – 7 Apr
24 Jun
4-6 wk
5 May
22 Jul
0 wk
Lettuce
Lactuca sativa
7 – 14 Apr
11 Jul
3-4 wk
5 May
1 Aug
0 wk
28 Apr
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Mar – 7 Apr
24 Jun
4-6 wk
5 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Mar – 9 Apr
3 Jun
2-4 wk
23 Apr
17 Jun
2 wk before
23 Apr
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 Apr
16 Jun
1 wk before
28 Apr
6 Jun
1 wk before
Spinach
Spinacia oleracea
7 – 14 Apr
26 Jul
3-4 wk
5 May
16 Aug
0 wk
17 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jun
4-6 wk
13 Jul
10 wk after
Garden tomato
Solanum lycopersicum
29 Mar – 12 Apr
19 Apr
6-8 wk
24 May
31 May
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
26 Apr – 10 May
17 Jun
2-4 wk
24 May
1 Jul
3 wk after
10 Jun
21 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Mar – 7 Apr
24 Jun
4-6 wk
5 May
22 Jul
0 wk
Garden pea
Pisum sativum
7 – 14 Apr
26 Jun
3-4 wk
5 May
17 Jul
0 wk
28 Apr
7 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
29 Apr – 13 May
24 May
4-6 wk
10 Jun
21 Jun
5 wk after
Lemon balm
Melissa officinalis
24 Feb – 10 Mar
22 May
8-10 wk
5 May
17 Jul
0 wk
26 May
7 Jul
3 wk after
Dill
Anethum graveolens
28 Apr
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
10 – 24 Mar
5 Jun
6-8 wk
5 May
17 Jul
0 wk
28 Apr
7 Jul
1 wk before
Spearmint
Mentha spicata
10 Feb – 10 Mar
22 May
8-12 wk
5 May
17 Jul
0 wk
26 May
7 Jul
3 wk after
Coriander
Coriandrum sativum
5 May
16 Aug
0 wk
15 May
6 Aug
1 wk after
Garden sage
Salvia officinalis
2 – 16 Mar
7 May
8-10 wk
11 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
24 Feb – 10 Mar
12 May
8-10 wk
5 May
7 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Mar
26 May
6-8 wk
5 May
7 Jul
0 wk
26 May
27 Jun
3 wk after
Parsley
Petroselinum crispum
10 – 24 Mar
26 May
6-8 wk
5 May
7 Jul
0 wk
28 Apr
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
2 Feb – 2 Mar
8 Apr
10-14 wk
11 May
17 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
13 – 20 May
31 May
3-4 wk
10 Jun
21 Jun
5 wk after
Cornflower
Centaurea cyanus
5 May
17 Jul
0 wk
28 Apr
7 Jul
1 wk before
Statice
Limonium sinuatum
15 – 29 Mar
29 Apr
8-10 wk
24 May
24 Jun
3 wk after
Sweet William
Dianthus barbatus
10 – 24 Mar
6-8 wk
5 May
0 wk
10 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
29 Mar – 12 Apr
13 May
6-8 wk
24 May
24 Jun
3 wk after
13 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
24 Mar – 7 Apr
17 May
6-8 wk
19 May
28 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
31 Mar – 28 Apr
31 May
4-8 wk
26 May
28 Jun
3 wk after
26 May
18 Jun
3 wk after
Foxglove
Digitalis purpurea
24 Feb – 10 Mar
8-10 wk
5 May
0 wk
15 May
1 wk after
Busy lizzie
Impatiens walleriana
18 Mar – 15 Apr
22 Jun
8-12 wk
10 Jun
17 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
29 Mar – 12 Apr
23 May
6-8 wk
24 May
4 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
12 – 26 Apr
5 May
4-6 wk
24 May
2 Jun
3 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Mar
22 Apr
8-10 wk
11 May
17 Jun
1 wk after
Love in a mist
Nigella damascena
5 May
2 Jul
0 wk
28 Apr
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
29 Mar – 12 Apr
3 May
6-8 wk
24 May
14 Jun
3 wk after
13 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
16 Feb – 16 Mar
22 Apr
8-12 wk
11 May
17 Jun
1 wk after
Cardoon
Cynara cardunculus
1 – 29 Mar
23 Mar
8-12 wk
24 May
3 wk after
Regal-foxtail
Ptilotus nobilis
18 Mar – 15 Apr
16 Apr
8-12 wk
10 Jun
11 Jun
5 wk after
Globe amaranth
Gomphrena globosa
15 – 29 Apr
30 Apr
6-8 wk
10 Jun
11 Jun
5 wk after
Corn poppy
Papaver rhoeas
5 May
17 Jul
0 wk
28 Apr
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
10 Feb – 10 Mar
12 May
8-12 wk
5 May
7 Jul
0 wk
10 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
1 – 15 Apr
9 May
8-10 wk
10 Jun
4 Jul
5 wk after
Sweet pea
Lathyrus odoratus
10 – 31 Mar
2 Jun
5-8 wk
5 May
7 Jul
0 wk
Stock
Matthiola incana
10 – 24 Mar
5 Jun
6-8 wk
5 May
17 Jul
0 wk
15 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
10 – 24 Mar
6 May
6-8 wk
5 May
17 Jun
0 wk
15 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
29 Apr – 13 May
9 May
4-6 wk
10 Jun
5 wk after
Garden pansy
Viola × wittrockiana
24 Feb – 10 Mar
22 May
8-10 wk
5 May
17 Jul
0 wk
10 May
7 Jul
1 wk after
Petunia
Petunia
1 – 29 Mar
29 Apr
8-12 wk
24 May
24 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Mar
6 May
6-8 wk
11 May
17 Jun
1 wk after
10 Jun
5 wk after
Common zinnia
Zinnia elegans
12 – 26 Apr
4 Jun
4-6 wk
24 May
2 Jul
3 wk after
Common morning glory
Ipomoea purpurea
6 – 20 May
31 May
3-5 wk
10 Jun
21 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 Apr
31 May
4-6 wk
24 May
28 Jun
3 wk after
10 Jun
18 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
30 Mar – 27 Apr
16 May
8-12 wk
22 Jun
11 Jul
7 wk after
Bee balm
Monarda didyma
10 Feb – 10 Mar
22 Apr
8-12 wk
5 May
17 Jun
0 wk
26 May
7 Jun
3 wk after
Yarrow
Achillea millefolium
10 – 24 Mar
6 Apr
6-8 wk
5 May
18 May
0 wk
15 May
1 wk after
Safflower
Carthamus tinctorius
5 May
17 Jun
0 wk
28 Apr
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Mar
26 May
6-8 wk
5 May
7 Jul
0 wk
27 Mar
27 Jun
6 wk before
Bishop's flower
Ammi majus
24 Mar – 7 Apr
9 Jun
4-6 wk
5 May
7 Jul
0 wk
15 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
18 Mar – 1 Apr
24 Mar
10-12 wk
10 Jun
5 wk after
Sunflower
Helianthus annuus
26 Apr – 3 May
16 Jun
3-4 wk
24 May
7 Jul
3 wk after
26 May
27 Jun
3 wk after
China aster
Callistephus chinensis
29 Mar – 12 Apr
5 Jun
6-8 wk
24 May
17 Jul
3 wk after
10 Jun
7 Jul
5 wk after
Annual phlox
Phlox drummondii
21 Mar – 4 Apr
23 May
6-8 wk
16 May
4 Jul
2 wk after
10 Jun
24 Jun
5 wk after
Hollyhock
Alcea rosea
10 – 24 Mar
6-8 wk
5 May
0 wk
15 May
1 wk after
Alpine delphinium
Delphinium elatum
10 Feb – 10 Mar
22 Apr
8-12 wk
5 May
17 Jun
0 wk
26 May
7 Jun
3 wk after
African marigold
Tagetes erecta
29 Mar – 12 Apr
23 May
6-8 wk
24 May
4 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Mar
26 May
6-8 wk
11 May
7 Jul
1 wk after
10 Jun
27 Jun
5 wk after
Wood sage
Salvia nemorosa
24 Feb – 10 Mar
12 Apr
8-10 wk
5 May
7 Jun
0 wk
26 May
28 May
3 wk after
Black-eyed susan vine
Thunbergia alata
1 – 29 Apr
10 May
6-10 wk
10 Jun
21 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
5 May
17 Jul
0 wk
28 Apr
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
15 – 29 Mar
1 May
8-10 wk
24 May
26 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Mar
6 May
6-8 wk
5 May
17 Jun
0 wk
15 May
7 Jun
1 wk after