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No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 1 of 4 years · 20 years of data
Frost-free season 146 days 16 May – 9 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)
28 Mar – 11 Apr
15 Jun
5-7 wk
16 May
20 Jul
0 wk
20 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
27 Jun
4-6 wk
16 May
25 Jul
0 wk
20 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Fleece
20 Mar – 17 Apr
11 Apr
8-12 wk
12 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
10 Jun
5-7 wk
16 May
15 Jul
0 wk
16 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
31 May – 7 Jun
5 Jun
3-4 wk
28 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
24 – 31 May
7 Jun
4-5 wk
28 Jun
5 Jul
6 wk after
4 Jul
7 wk after
Butter bean
Phaseolus lunatus
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
31 Mar
8-12 wk
16 May
26 May
0 wk
6 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
15 Jun
1 wk after
20 May
5 Jun
1 wk after
Maize
Zea mays
15 – 22 May
26 May
3-4 wk
12 Jun
16 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
4 Jul
3-4 wk
24 May
25 Jul
1 wk after
6 Jun
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
5 Jul
0 wk
16 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
10 Jun
5-7 wk
16 May
15 Jul
0 wk
16 May
5 Jul
0 wk
Potato
Solanum tuberosum
20 Apr – 4 May
1 Jun
4-6 wk
1 Jun
29 Jun
2 wk after
1 Jun
19 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
20 Jun
5-7 wk
16 May
25 Jul
0 wk
20 May
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
31 May – 7 Jun
21 Jun
3-4 wk
28 Jun
12 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
14 Jun
3-4 wk
24 May
5 Jul
1 wk after
6 Jun
25 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
22 Jun
4-6 wk
16 May
20 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
9 Jul
3-4 wk
16 May
30 Jul
0 wk
20 May
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
22 Jun
4-6 wk
16 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
1 Jun
2-4 wk
16 May
15 Jun
0 wk
16 May
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 May
15 Jun
1 wk after
20 May
5 Jun
1 wk after
Spinach
Spinacia oleracea
18 – 25 Apr
24 Jul
3-4 wk
16 May
14 Aug
0 wk
12 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
11 wk after
Garden tomato
Solanum lycopersicum
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
23 Jun
2-4 wk
12 Jun
7 Jul
4 wk after
4 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
22 Jun
4-6 wk
16 May
20 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
24 Jun
3-4 wk
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
17 – 31 May
30 May
4-6 wk
28 Jun
6 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
20 May
8-10 wk
16 May
15 Jul
0 wk
20 Jun
5 Jul
5 wk after
Dill
Anethum graveolens
20 May
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
3 Jun
6-8 wk
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after
Spearmint
Mentha spicata
21 Feb – 21 Mar
20 May
8-12 wk
16 May
15 Jul
0 wk
20 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
16 May
14 Aug
0 wk
6 Jun
4 Aug
3 wk after
Garden sage
Salvia officinalis
15 – 29 Mar
5 May
8-10 wk
24 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
7 – 21 Mar
10 May
8-10 wk
16 May
5 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
24 May
6-8 wk
16 May
5 Jul
0 wk
20 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
24 May
6-8 wk
16 May
5 Jul
0 wk
20 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
15 Feb – 15 Mar
6 Apr
10-14 wk
24 May
15 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
31 May – 7 Jun
6 Jun
3-4 wk
28 Jun
6 wk after
Cornflower
Centaurea cyanus
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after
Statice
Limonium sinuatum
3 – 17 Apr
8 May
8-10 wk
12 Jun
3 Jul
4 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
1 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
22 May
6-8 wk
12 Jun
3 Jul
4 wk after
29 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
9 – 23 Apr
24 May
6-8 wk
4 Jun
5 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
25 Apr – 23 May
7 Jun
4-8 wk
20 Jun
5 Jul
5 wk after
20 Jun
25 Jun
5 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
6 Jun
3 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
30 Jun
8-12 wk
28 Jun
25 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
1 Jun
6-8 wk
12 Jun
13 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
1 – 15 May
13 May
4-6 wk
12 Jun
4 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Mar
20 Apr
8-10 wk
24 May
15 Jun
1 wk after
Love in a mist
Nigella damascena
16 May
30 Jun
0 wk
20 May
20 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
12 May
6-8 wk
12 Jun
23 Jun
4 wk after
29 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Mar
20 Apr
8-12 wk
24 May
15 Jun
1 wk after
Cardoon
Cynara cardunculus
20 Mar – 17 Apr
21 Mar
8-12 wk
12 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
5 Apr – 3 May
22 Apr
8-12 wk
28 Jun
6 wk after
Globe amaranth
Gomphrena globosa
3 – 17 May
6 May
6-8 wk
28 Jun
6 wk after
Corn poppy
Papaver rhoeas
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
10 May
8-12 wk
16 May
5 Jul
0 wk
1 Jun
25 Jun
2 wk after
Flossflower
Ageratum houstonianum
19 Apr – 3 May
18 May
8-10 wk
28 Jun
13 Jul
6 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
31 May
5-8 wk
16 May
5 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
3 Jun
6-8 wk
16 May
15 Jul
0 wk
6 Jun
5 Jul
3 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
4 May
6-8 wk
16 May
15 Jun
0 wk
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
17 – 31 May
4-6 wk
28 Jun
6 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
20 May
8-10 wk
16 May
15 Jul
0 wk
1 Jun
5 Jul
2 wk after
Petunia
Petunia
20 Mar – 17 Apr
8 May
8-12 wk
12 Jun
3 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Mar – 12 Apr
4 May
6-8 wk
24 May
15 Jun
1 wk after
4 Jul
7 wk after
Common zinnia
Zinnia elegans
1 – 15 May
12 Jun
4-6 wk
12 Jun
10 Jul
4 wk after
Common morning glory
Ipomoea purpurea
24 May – 7 Jun
6 Jun
3-5 wk
28 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
7 Jun
4-6 wk
12 Jun
5 Jul
4 wk after
4 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
15 Apr – 13 May
22 May
8-12 wk
8 Jul
17 Jul
8 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
20 Apr
8-12 wk
16 May
15 Jun
0 wk
20 Jun
5 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
4 Apr
6-8 wk
16 May
16 May
0 wk
6 Jun
3 wk after
Safflower
Carthamus tinctorius
16 May
15 Jun
0 wk
20 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
24 May
6-8 wk
16 May
5 Jul
0 wk
28 Apr
25 Jun
3 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
7 Jun
4-6 wk
16 May
5 Jul
0 wk
6 Jun
25 Jun
3 wk after
Drumsticks
Pycnosorus globosus
5 – 19 Apr
10-12 wk
28 Jun
6 wk after
Sunflower
Helianthus annuus
15 – 22 May
14 Jun
3-4 wk
12 Jun
5 Jul
4 wk after
20 Jun
25 Jun
5 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
3 Jun
6-8 wk
12 Jun
15 Jul
4 wk after
4 Jul
5 Jul
7 wk after
Annual phlox
Phlox drummondii
5 – 19 Apr
1 Jun
6-8 wk
31 May
13 Jul
2 wk after
4 Jul
7 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
6 Jun
3 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
20 Apr
8-12 wk
16 May
15 Jun
0 wk
20 Jun
5 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
1 Jun
6-8 wk
12 Jun
13 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
24 May
6-8 wk
24 May
5 Jul
1 wk after
4 Jul
7 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
10 Apr
8-10 wk
16 May
5 Jun
0 wk
20 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
19 Apr – 17 May
16 May
6-10 wk
28 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
10 May
8-10 wk
12 Jun
5 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
4 May
6-8 wk
16 May
15 Jun
0 wk
6 Jun
3 wk after