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0.8°
Near frost tonight at 05:00. Bring in or cover sensitive plants
0.6°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 2 days (11 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 11 May Normal year · 20 years of data
Frost-free season 150 days 11 May – 8 Oct
Probability that frost is over

50% = 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)
23 Mar – 6 Apr
21 Jun
5-7 wk
11 May
26 Jul
0 wk
5 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
30 Mar – 13 Apr
3 Jul
4-6 wk
11 May
31 Jul
0 wk
5 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
15 Mar – 12 Apr
16 Apr
8-12 wk
7 Jun
11 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Mar – 6 Apr
16 Jun
5-7 wk
11 May
21 Jul
0 wk
28 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
24 – 31 May
10 Jun
3-4 wk
21 Jun
1 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
17 – 24 May
7 Jun
4-5 wk
21 Jun
5 Jul
6 wk after
21 Jun
25 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
3 – 10 Jun
3-4 wk
1 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
16 Feb – 16 Mar
6 Apr
8-12 wk
11 May
1 Jun
0 wk
24 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
5 May
21 Jun
1 wk before
5 May
11 Jun
1 wk before
Maize
Zea mays
10 – 17 May
31 May
3-4 wk
7 Jun
21 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 Apr
10 Jul
3-4 wk
11 May
31 Jul
0 wk
24 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 May
11 Jul
0 wk
28 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Mar – 6 Apr
16 Jun
5-7 wk
11 May
21 Jul
0 wk
28 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
4 – 18 Apr
13 Jun
4-6 wk
16 May
11 Jul
1 wk after
16 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Mar – 6 Apr
26 Jun
5-7 wk
11 May
31 Jul
0 wk
5 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
24 – 31 May
27 Jun
3-4 wk
21 Jun
18 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 Apr
27 Jun
3-4 wk
11 May
18 Jul
0 wk
24 May
8 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Mar – 13 Apr
28 Jun
4-6 wk
11 May
26 Jul
0 wk
Lettuce
Lactuca sativa
13 – 20 Apr
15 Jul
3-4 wk
11 May
5 Aug
0 wk
5 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Mar – 13 Apr
28 Jun
4-6 wk
11 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
31 Mar – 14 Apr
7 Jun
2-4 wk
28 Apr
21 Jun
2 wk before
28 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 May
21 Jun
1 wk before
5 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
13 – 20 Apr
30 Jul
3-4 wk
11 May
20 Aug
0 wk
21 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
12 – 26 Jun
4-6 wk
24 Jul
11 wk after
Garden tomato
Solanum lycopersicum
12 – 26 Apr
10 May
6-8 wk
7 Jun
21 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
10 – 24 May
29 Jun
2-4 wk
7 Jun
13 Jul
4 wk after
21 Jun
3 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Mar – 13 Apr
28 Jun
4-6 wk
11 May
26 Jul
0 wk
Garden pea
Pisum sativum
13 – 20 Apr
30 Jun
3-4 wk
11 May
21 Jul
0 wk
5 May
11 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
10 – 24 May
5 Jun
4-6 wk
21 Jun
3 Jul
6 wk after
Lemon balm
Melissa officinalis
2 – 16 Mar
26 May
8-10 wk
11 May
21 Jul
0 wk
6 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
5 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
16 – 30 Mar
9 Jun
6-8 wk
11 May
21 Jul
0 wk
5 May
11 Jul
1 wk before
Spearmint
Mentha spicata
16 Feb – 16 Mar
26 May
8-12 wk
11 May
21 Jul
0 wk
6 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
11 May
20 Aug
0 wk
24 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
2 – 16 Mar
11 May
8-10 wk
11 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
2 – 16 Mar
16 May
8-10 wk
11 May
11 Jul
0 wk
Oregano
Origanum vulgare
16 – 30 Mar
30 May
6-8 wk
11 May
11 Jul
0 wk
6 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
16 – 30 Mar
30 May
6-8 wk
11 May
11 Jul
0 wk
5 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
2 Feb – 2 Mar
10 Apr
10-14 wk
11 May
19 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
24 – 31 May
12 Jun
3-4 wk
21 Jun
3 Jul
6 wk after
Cornflower
Centaurea cyanus
11 May
21 Jul
0 wk
5 May
11 Jul
1 wk before
Statice
Limonium sinuatum
29 Mar – 12 Apr
10 May
8-10 wk
7 Jun
5 Jul
4 wk after
Sweet William
Dianthus barbatus
16 – 30 Mar
6-8 wk
11 May
0 wk
16 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
4 wk after
24 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
7 – 21 Apr
30 May
6-8 wk
2 Jun
11 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
11 Apr – 9 May
13 Jun
4-8 wk
6 Jun
11 Jul
4 wk after
6 Jun
1 Jul
4 wk after
Foxglove
Digitalis purpurea
2 – 16 Mar
8-10 wk
11 May
0 wk
24 May
2 wk after
Busy lizzie
Impatiens walleriana
29 Mar – 26 Apr
3 Jul
8-12 wk
21 Jun
28 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
12 – 26 Apr
3 Jun
6-8 wk
7 Jun
15 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Fleece
10 – 24 May
4-6 wk
21 Jun
6 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Mar
26 Apr
8-10 wk
11 May
21 Jun
0 wk
Love in a mist
Nigella damascena
11 May
6 Jul
0 wk
5 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
12 – 26 Apr
14 May
6-8 wk
7 Jun
25 Jun
4 wk after
24 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
16 Feb – 16 Mar
26 Apr
8-12 wk
11 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
15 Mar – 12 Apr
27 Mar
8-12 wk
7 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
29 Mar – 26 Apr
28 Apr
8-12 wk
21 Jun
23 Jun
6 wk after
Globe amaranth
Gomphrena globosa
26 Apr – 10 May
12 May
6-8 wk
21 Jun
23 Jun
6 wk after
Corn poppy
Papaver rhoeas
11 May
21 Jul
0 wk
5 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
16 Feb – 16 Mar
16 May
8-12 wk
11 May
11 Jul
0 wk
16 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
12 – 26 Apr
20 May
8-10 wk
21 Jun
15 Jul
6 wk after
Sweet pea
Lathyrus odoratus
16 Mar – 6 Apr
6 Jun
5-8 wk
11 May
11 Jul
0 wk
Stock
Matthiola incana
16 – 30 Mar
9 Jun
6-8 wk
11 May
21 Jul
0 wk
24 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
16 – 30 Mar
10 May
6-8 wk
11 May
21 Jun
0 wk
24 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
10 – 24 May
21 May
4-6 wk
21 Jun
6 wk after
Garden pansy
Viola × wittrockiana
2 – 16 Mar
26 May
8-10 wk
11 May
21 Jul
0 wk
16 May
11 Jul
1 wk after
Petunia
Petunia
15 Mar – 12 Apr
10 May
8-12 wk
7 Jun
5 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Mar
10 May
6-8 wk
11 May
21 Jun
0 wk
21 Jun
6 wk after
Common zinnia
Zinnia elegans
26 Apr – 10 May
15 Jun
4-6 wk
7 Jun
13 Jul
4 wk after
Common morning glory
Ipomoea purpurea
17 – 31 May
12 Jun
3-5 wk
21 Jun
3 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
26 Apr – 10 May
13 Jun
4-6 wk
7 Jun
11 Jul
4 wk after
21 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
16 Apr – 14 May
28 May
8-12 wk
9 Jul
23 Jul
8 wk after
Bee balm
Monarda didyma
16 Feb – 16 Mar
26 Apr
8-12 wk
11 May
21 Jun
0 wk
6 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
16 – 30 Mar
10 Apr
6-8 wk
11 May
22 May
0 wk
24 May
2 wk after
Safflower
Carthamus tinctorius
11 May
21 Jun
0 wk
5 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
16 – 30 Mar
30 May
6-8 wk
11 May
11 Jul
0 wk
26 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
30 Mar – 13 Apr
13 Jun
4-6 wk
11 May
11 Jul
0 wk
24 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
29 Mar – 12 Apr
4 Apr
10-12 wk
21 Jun
6 wk after
Sunflower
Helianthus annuus
10 – 17 May
18 Jun
3-4 wk
7 Jun
9 Jul
4 wk after
6 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
12 – 26 Apr
7 Jun
6-8 wk
7 Jun
19 Jul
4 wk after
21 Jun
9 Jul
6 wk after
Annual phlox
Phlox drummondii
3 – 17 Apr
3 Jun
6-8 wk
29 May
15 Jul
3 wk after
21 Jun
5 Jul
6 wk after
Hollyhock
Alcea rosea
16 – 30 Mar
6-8 wk
11 May
0 wk
24 May
2 wk after
Alpine delphinium
Delphinium elatum
16 Feb – 16 Mar
26 Apr
8-12 wk
11 May
21 Jun
0 wk
6 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
12 – 26 Apr
3 Jun
6-8 wk
7 Jun
15 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Mar
28 May
6-8 wk
11 May
9 Jul
0 wk
21 Jun
29 Jun
6 wk after
Wood sage
Salvia nemorosa
2 – 16 Mar
16 Apr
8-10 wk
11 May
11 Jun
0 wk
6 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
12 Apr – 10 May
22 May
6-10 wk
21 Jun
3 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
11 May
21 Jul
0 wk
5 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
29 Mar – 12 Apr
10 May
8-10 wk
7 Jun
5 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
16 – 30 Mar
10 May
6-8 wk
11 May
21 Jun
0 wk
24 May
11 Jun
2 wk after