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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
No frost in sight Last frost normally in 7 days (13 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 13 May Frost 1 of 4 years · 20 years of data
Frost-free season 153 days 13 May – 13 Oct
Probability that frost is over

75% = 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)
25 Mar – 8 Apr
17 Jun
5-7 wk
13 May
22 Jul
0 wk
6 May
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 Apr
29 Jun
4-6 wk
13 May
27 Jul
0 wk
6 May
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
9 Mar – 6 Apr
12 Apr
8-12 wk
1 Jun
7 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
25 Mar – 8 Apr
12 Jun
5-7 wk
13 May
17 Jul
0 wk
1 May
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
21 – 28 May
6 Jun
3-4 wk
18 Jun
27 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
14 – 21 May
9 Jun
4-5 wk
18 Jun
7 Jul
5 wk after
18 Jun
27 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
28 May – 4 Jun
30 May
3-4 wk
25 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
18 Feb – 18 Mar
2 Apr
8-12 wk
13 May
28 May
0 wk
23 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
6 May
17 Jun
1 wk before
6 May
7 Jun
1 wk before
Maize
Zea mays
4 – 11 May
27 May
3-4 wk
1 Jun
17 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 Apr
6 Jul
3-4 wk
19 May
27 Jul
1 wk after
23 May
17 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
13 May
7 Jul
0 wk
1 May
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
25 Mar – 8 Apr
12 Jun
5-7 wk
13 May
17 Jul
0 wk
1 May
7 Jul
2 wk before
Potato
Solanum tuberosum
6 – 20 Apr
6 Jun
4-6 wk
18 May
4 Jul
1 wk after
18 May
24 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
25 Mar – 8 Apr
22 Jun
5-7 wk
13 May
27 Jul
0 wk
6 May
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
21 – 28 May
24 Jun
3-4 wk
18 Jun
15 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 Apr
22 Jun
3-4 wk
19 May
13 Jul
1 wk after
23 May
3 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 Apr
24 Jun
4-6 wk
13 May
22 Jul
0 wk
Lettuce
Lactuca sativa
15 – 22 Apr
11 Jul
3-4 wk
13 May
1 Aug
0 wk
6 May
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Apr
24 Jun
4-6 wk
13 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 Apr
3 Jun
2-4 wk
1 May
17 Jun
2 wk before
1 May
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
6 May
17 Jun
1 wk before
6 May
7 Jun
1 wk before
Spinach
Spinacia oleracea
15 – 22 Apr
26 Jul
3-4 wk
13 May
16 Aug
0 wk
25 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
10 wk after
Garden tomato
Solanum lycopersicum
6 – 20 Apr
6 May
6-8 wk
1 Jun
17 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
4 – 18 May
26 Jun
2-4 wk
1 Jun
10 Jul
3 wk after
18 Jun
30 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 Apr
24 Jun
4-6 wk
13 May
22 Jul
0 wk
Garden pea
Pisum sativum
15 – 22 Apr
26 Jun
3-4 wk
13 May
17 Jul
0 wk
6 May
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
7 – 21 May
2 Jun
4-6 wk
18 Jun
30 Jun
5 wk after
Lemon balm
Melissa officinalis
4 – 18 Mar
22 May
8-10 wk
13 May
17 Jul
0 wk
3 Jun
7 Jul
3 wk after
Dill
Anethum graveolens
6 May
27 Jul
1 wk before
Wild chives
Allium schoenoprasum
18 Mar – 1 Apr
5 Jun
6-8 wk
13 May
17 Jul
0 wk
6 May
7 Jul
1 wk before
Spearmint
Mentha spicata
18 Feb – 18 Mar
22 May
8-12 wk
13 May
17 Jul
0 wk
3 Jun
7 Jul
3 wk after
Coriander
Coriandrum sativum
13 May
16 Aug
0 wk
23 May
6 Aug
1 wk after
Garden sage
Salvia officinalis
10 – 24 Mar
7 May
8-10 wk
19 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
4 – 18 Mar
12 May
8-10 wk
13 May
7 Jul
0 wk
Oregano
Origanum vulgare
18 Mar – 1 Apr
26 May
6-8 wk
13 May
7 Jul
0 wk
3 Jun
27 Jun
3 wk after
Parsley
Petroselinum crispum
18 Mar – 1 Apr
26 May
6-8 wk
13 May
7 Jul
0 wk
6 May
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
10 Feb – 10 Mar
8 Apr
10-14 wk
19 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
21 – 28 May
9 Jun
3-4 wk
18 Jun
30 Jun
5 wk after
Cornflower
Centaurea cyanus
13 May
17 Jul
0 wk
6 May
7 Jul
1 wk before
Statice
Limonium sinuatum
23 Mar – 6 Apr
9 May
8-10 wk
1 Jun
4 Jul
3 wk after
Sweet William
Dianthus barbatus
18 Mar – 1 Apr
6-8 wk
13 May
0 wk
18 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
6 – 20 Apr
23 May
6-8 wk
1 Jun
4 Jul
3 wk after
21 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
1 – 15 Apr
26 May
6-8 wk
27 May
7 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 Apr – 6 May
9 Jun
4-8 wk
3 Jun
7 Jul
3 wk after
3 Jun
27 Jun
3 wk after
Foxglove
Digitalis purpurea
4 – 18 Mar
8-10 wk
13 May
0 wk
23 May
1 wk after
Busy lizzie
Impatiens walleriana
26 Mar – 23 Apr
30 Jun
8-12 wk
18 Jun
25 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 Apr
2 Jun
6-8 wk
1 Jun
14 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 Apr – 4 May
13 May
4-6 wk
1 Jun
10 Jun
3 wk after
Chinese lantern
Physalis alkekengi
10 – 24 Mar
22 Apr
8-10 wk
19 May
17 Jun
1 wk after
Love in a mist
Nigella damascena
13 May
2 Jul
0 wk
6 May
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 Apr
13 May
6-8 wk
1 Jun
24 Jun
3 wk after
21 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
24 Feb – 24 Mar
22 Apr
8-12 wk
19 May
17 Jun
1 wk after
Cardoon
Cynara cardunculus
9 Mar – 6 Apr
23 Mar
8-12 wk
1 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
26 Mar – 23 Apr
25 Apr
8-12 wk
18 Jun
20 Jun
5 wk after
Globe amaranth
Gomphrena globosa
23 Apr – 7 May
9 May
6-8 wk
18 Jun
20 Jun
5 wk after
Corn poppy
Papaver rhoeas
13 May
17 Jul
0 wk
6 May
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
18 Feb – 18 Mar
12 May
8-12 wk
13 May
7 Jul
0 wk
18 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
9 – 23 Apr
19 May
8-10 wk
18 Jun
14 Jul
5 wk after
Sweet pea
Lathyrus odoratus
18 Mar – 8 Apr
2 Jun
5-8 wk
13 May
7 Jul
0 wk
Stock
Matthiola incana
18 Mar – 1 Apr
5 Jun
6-8 wk
13 May
17 Jul
0 wk
23 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
18 Mar – 1 Apr
6 May
6-8 wk
13 May
17 Jun
0 wk
23 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
7 – 21 May
18 May
4-6 wk
18 Jun
5 wk after
Garden pansy
Viola × wittrockiana
4 – 18 Mar
22 May
8-10 wk
13 May
17 Jul
0 wk
18 May
7 Jul
1 wk after
Petunia
Petunia
9 Mar – 6 Apr
9 May
8-12 wk
1 Jun
4 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
24 Mar – 7 Apr
6 May
6-8 wk
19 May
17 Jun
1 wk after
18 Jun
5 wk after
Common zinnia
Zinnia elegans
20 Apr – 4 May
12 Jun
4-6 wk
1 Jun
10 Jul
3 wk after
Common morning glory
Ipomoea purpurea
14 – 28 May
9 Jun
3-5 wk
18 Jun
30 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
20 Apr – 4 May
9 Jun
4-6 wk
1 Jun
7 Jul
3 wk after
18 Jun
27 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
7 Apr – 5 May
25 May
8-12 wk
30 Jun
20 Jul
7 wk after
Bee balm
Monarda didyma
18 Feb – 18 Mar
22 Apr
8-12 wk
13 May
17 Jun
0 wk
3 Jun
7 Jun
3 wk after
Yarrow
Achillea millefolium
18 Mar – 1 Apr
6 Apr
6-8 wk
13 May
18 May
0 wk
23 May
1 wk after
Safflower
Carthamus tinctorius
13 May
17 Jun
0 wk
6 May
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
18 Mar – 1 Apr
26 May
6-8 wk
13 May
7 Jul
0 wk
4 Apr
27 Jun
6 wk before
Bishop's flower
Ammi majus
1 – 15 Apr
9 Jun
4-6 wk
13 May
7 Jul
0 wk
23 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
26 Mar – 9 Apr
1 Apr
10-12 wk
18 Jun
5 wk after
Sunflower
Helianthus annuus
4 – 11 May
16 Jun
3-4 wk
1 Jun
7 Jul
3 wk after
3 Jun
27 Jun
3 wk after
China aster
Callistephus chinensis
6 – 20 Apr
5 Jun
6-8 wk
1 Jun
17 Jul
3 wk after
18 Jun
7 Jul
5 wk after
Annual phlox
Phlox drummondii
29 Mar – 12 Apr
2 Jun
6-8 wk
24 May
14 Jul
2 wk after
18 Jun
4 Jul
5 wk after
Hollyhock
Alcea rosea
18 Mar – 1 Apr
6-8 wk
13 May
0 wk
23 May
1 wk after
Alpine delphinium
Delphinium elatum
18 Feb – 18 Mar
22 Apr
8-12 wk
13 May
17 Jun
0 wk
3 Jun
7 Jun
3 wk after
African marigold
Tagetes erecta
6 – 20 Apr
2 Jun
6-8 wk
1 Jun
14 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
24 Mar – 7 Apr
26 May
6-8 wk
19 May
7 Jul
1 wk after
18 Jun
27 Jun
5 wk after
Wood sage
Salvia nemorosa
4 – 18 Mar
12 Apr
8-10 wk
13 May
7 Jun
0 wk
3 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
9 Apr – 7 May
19 May
6-10 wk
18 Jun
30 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
13 May
17 Jul
0 wk
6 May
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
23 Mar – 6 Apr
12 May
8-10 wk
1 Jun
7 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
18 Mar – 1 Apr
6 May
6-8 wk
13 May
17 Jun
0 wk
23 May
7 Jun
1 wk after