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No frost in sight Last frost normally in 8 days (17 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 17 May Frost 1 of 4 years · 20 years of data
Frost-free season 167 days 17 May – 31 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)
29 Mar – 12 Apr
12 Jun
5-7 wk
17 May
17 Jul
0 wk
18 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 Apr
24 Jun
4-6 wk
17 May
22 Jul
0 wk
18 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Fleece
14 Mar – 11 Apr
20 Apr
8-12 wk
6 Jun
15 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
29 Mar – 12 Apr
7 Jun
5-7 wk
17 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
23 – 30 May
14 Jun
3-4 wk
20 Jun
5 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
16 – 23 May
4 Jun
4-5 wk
20 Jun
2 Jul
5 wk after
29 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
30 May – 6 Jun
1 Jun
3-4 wk
27 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
22 Feb – 22 Mar
28 Mar
8-12 wk
17 May
23 May
0 wk
30 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
12 Jun
0 wk
18 May
2 Jun
0 wk
Maize
Zea mays
9 – 16 May
4 Jun
3-4 wk
6 Jun
25 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
25 Apr – 2 May
1 Jul
3-4 wk
23 May
22 Jul
1 wk after
30 May
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 May
2 Jul
0 wk
17 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
29 Mar – 12 Apr
7 Jun
5-7 wk
17 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Potato
Solanum tuberosum
15 – 29 Apr
28 May
4-6 wk
27 May
25 Jun
1 wk after
27 May
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
29 Mar – 12 Apr
17 Jun
5-7 wk
17 May
22 Jul
0 wk
18 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
23 – 30 May
24 Jun
3-4 wk
20 Jun
15 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Apr – 2 May
14 Jun
3-4 wk
23 May
5 Jul
1 wk after
30 May
25 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Lettuce
Lactuca sativa
19 – 26 Apr
6 Jul
3-4 wk
17 May
27 Jul
0 wk
18 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
29 May
2-4 wk
17 May
12 Jun
0 wk
17 May
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
12 Jun
0 wk
18 May
2 Jun
0 wk
Spinach
Spinacia oleracea
19 – 26 Apr
21 Jul
3-4 wk
17 May
11 Aug
0 wk
14 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
11 – 25 Jun
4-6 wk
23 Jul
10 wk after
Garden tomato
Solanum lycopersicum
11 – 25 Apr
14 May
6-8 wk
6 Jun
25 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
9 – 23 May
26 Jun
2-4 wk
6 Jun
10 Jul
3 wk after
29 Jun
30 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Garden pea
Pisum sativum
19 – 26 Apr
21 Jun
3-4 wk
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
9 – 23 May
2 Jun
4-6 wk
20 Jun
30 Jun
5 wk after
Lemon balm
Melissa officinalis
8 – 22 Mar
17 May
8-10 wk
17 May
12 Jul
0 wk
11 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
18 May
22 Jul
0 wk
Wild chives
Allium schoenoprasum
22 Mar – 5 Apr
31 May
6-8 wk
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk
Spearmint
Mentha spicata
22 Feb – 22 Mar
17 May
8-12 wk
17 May
12 Jul
0 wk
11 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
17 May
11 Aug
0 wk
30 May
1 Aug
2 wk after
Garden sage
Salvia officinalis
14 – 28 Mar
2 May
8-10 wk
23 May
27 Jun
1 wk after
Common thyme
Thymus vulgaris
8 – 22 Mar
7 May
8-10 wk
17 May
2 Jul
0 wk
Oregano
Origanum vulgare
22 Mar – 5 Apr
21 May
6-8 wk
17 May
2 Jul
0 wk
11 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
22 Mar – 5 Apr
21 May
6-8 wk
17 May
2 Jul
0 wk
18 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
14 Feb – 14 Mar
3 Apr
10-14 wk
23 May
12 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
23 – 30 May
9 Jun
3-4 wk
20 Jun
30 Jun
5 wk after
Cornflower
Centaurea cyanus
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk
Statice
Limonium sinuatum
28 Mar – 11 Apr
7 May
8-10 wk
6 Jun
2 Jul
3 wk after
Sweet William
Dianthus barbatus
22 Mar – 5 Apr
6-8 wk
17 May
0 wk
27 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Apr
21 May
6-8 wk
6 Jun
2 Jul
3 wk after
23 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
6 – 20 Apr
21 May
6-8 wk
1 Jun
2 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
4 Jun
4-8 wk
11 Jun
2 Jul
4 wk after
11 Jun
22 Jun
4 wk after
Foxglove
Digitalis purpurea
8 – 22 Mar
8-10 wk
17 May
0 wk
30 May
2 wk after
Busy lizzie
Impatiens walleriana
28 Mar – 25 Apr
2 Jul
8-12 wk
20 Jun
27 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Apr
31 May
6-8 wk
6 Jun
12 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
9 – 23 May
4-6 wk
20 Jun
5 wk after
Chinese lantern
Physalis alkekengi
14 – 28 Mar
17 Apr
8-10 wk
23 May
12 Jun
1 wk after
Love in a mist
Nigella damascena
17 May
27 Jun
0 wk
18 May
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
11 – 25 Apr
11 May
6-8 wk
6 Jun
22 Jun
3 wk after
23 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
28 Feb – 28 Mar
17 Apr
8-12 wk
23 May
12 Jun
1 wk after
Cardoon
Cynara cardunculus
14 Mar – 11 Apr
18 Mar
8-12 wk
6 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
28 Mar – 25 Apr
25 Apr
8-12 wk
20 Jun
20 Jun
5 wk after
Globe amaranth
Gomphrena globosa
25 Apr – 9 May
9 May
6-8 wk
20 Jun
20 Jun
5 wk after
Corn poppy
Papaver rhoeas
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk
Snapdragon
Antirrhinum majus
22 Feb – 22 Mar
7 May
8-12 wk
17 May
2 Jul
0 wk
27 May
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
11 – 25 Apr
17 May
8-10 wk
20 Jun
12 Jul
5 wk after
Sweet pea
Lathyrus odoratus
22 Mar – 12 Apr
28 May
5-8 wk
17 May
2 Jul
0 wk
Stock
Matthiola incana
22 Mar – 5 Apr
31 May
6-8 wk
17 May
12 Jul
0 wk
30 May
2 Jul
2 wk after
Wormwood
Artemisia absinthium
22 Mar – 5 Apr
1 May
6-8 wk
17 May
12 Jun
0 wk
30 May
2 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
9 – 23 May
18 May
4-6 wk
20 Jun
5 wk after
Garden pansy
Viola × wittrockiana
8 – 22 Mar
17 May
8-10 wk
17 May
12 Jul
0 wk
27 May
2 Jul
1 wk after
Petunia
Petunia
14 Mar – 11 Apr
7 May
8-12 wk
6 Jun
2 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
28 Mar – 11 Apr
1 May
6-8 wk
23 May
12 Jun
1 wk after
29 Jun
6 wk after
Common zinnia
Zinnia elegans
25 Apr – 9 May
14 Jun
4-6 wk
6 Jun
12 Jul
3 wk after
Common morning glory
Ipomoea purpurea
16 – 30 May
9 Jun
3-5 wk
20 Jun
30 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
25 Apr – 9 May
4 Jun
4-6 wk
6 Jun
2 Jul
3 wk after
29 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
9 Apr – 7 May
25 May
8-12 wk
2 Jul
20 Jul
7 wk after
Bee balm
Monarda didyma
22 Feb – 22 Mar
17 Apr
8-12 wk
17 May
12 Jun
0 wk
11 Jun
4 wk after
Yarrow
Achillea millefolium
22 Mar – 5 Apr
1 Apr
6-8 wk
17 May
0 wk
30 May
2 wk after
Safflower
Carthamus tinctorius
17 May
12 Jun
0 wk
18 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
22 Mar – 5 Apr
21 May
6-8 wk
17 May
2 Jul
0 wk
1 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
5 – 19 Apr
4 Jun
4-6 wk
17 May
2 Jul
0 wk
30 May
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
28 Mar – 11 Apr
3 Apr
10-12 wk
20 Jun
5 wk after
Sunflower
Helianthus annuus
9 – 16 May
11 Jun
3-4 wk
6 Jun
2 Jul
3 wk after
11 Jun
22 Jun
4 wk after
China aster
Callistephus chinensis
11 – 25 Apr
31 May
6-8 wk
6 Jun
12 Jul
3 wk after
29 Jun
2 Jul
6 wk after
Annual phlox
Phlox drummondii
2 – 16 Apr
31 May
6-8 wk
28 May
12 Jul
2 wk after
29 Jun
2 Jul
6 wk after
Hollyhock
Alcea rosea
22 Mar – 5 Apr
6-8 wk
17 May
0 wk
30 May
2 wk after
Alpine delphinium
Delphinium elatum
22 Feb – 22 Mar
17 Apr
8-12 wk
17 May
12 Jun
0 wk
11 Jun
4 wk after
African marigold
Tagetes erecta
11 – 25 Apr
31 May
6-8 wk
6 Jun
12 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
28 Mar – 11 Apr
21 May
6-8 wk
23 May
2 Jul
1 wk after
29 Jun
6 wk after
Wood sage
Salvia nemorosa
8 – 22 Mar
7 Apr
8-10 wk
17 May
2 Jun
0 wk
11 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
11 Apr – 9 May
19 May
6-10 wk
20 Jun
30 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
28 Mar – 11 Apr
7 May
8-10 wk
6 Jun
2 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
22 Mar – 5 Apr
1 May
6-8 wk
17 May
12 Jun
0 wk
30 May
2 Jun
2 wk after