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No frost in sight Last frost normally in 5 days (14 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 14 May Frost 1 of 4 years · 20 years of data
Frost-free season 156 days 14 May – 17 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)
26 Mar – 9 Apr
16 Jun
5-7 wk
14 May
21 Jul
0 wk
18 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 Apr
28 Jun
4-6 wk
14 May
26 Jul
0 wk
18 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Fleece
18 Mar – 15 Apr
19 Apr
8-12 wk
10 Jun
14 Jun
4 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
26 Mar – 9 Apr
11 Jun
5-7 wk
14 May
16 Jul
0 wk
14 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
29 May – 5 Jun
13 Jun
3-4 wk
26 Jun
4 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
22 – 29 May
8 Jun
4-5 wk
26 Jun
6 Jul
6 wk after
2 Jul
7 wk after
Butter bean
Phaseolus lunatus
Greenhouse
3 – 10 Jun
4 Jun
3-4 wk
1 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Feb – 19 Mar
1 Apr
8-12 wk
14 May
27 May
0 wk
4 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
16 Jun
1 wk after
18 May
6 Jun
1 wk after
Maize
Zea mays
13 – 20 May
3 Jun
3-4 wk
10 Jun
24 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
5 Jul
3-4 wk
22 May
26 Jul
1 wk after
4 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
14 May
6 Jul
0 wk
14 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
26 Mar – 9 Apr
11 Jun
5-7 wk
14 May
16 Jul
0 wk
14 May
6 Jul
0 wk
Potato
Solanum tuberosum
18 Apr – 2 May
8 Jun
4-6 wk
30 May
6 Jul
2 wk after
30 May
26 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
26 Mar – 9 Apr
21 Jun
5-7 wk
14 May
26 Jul
0 wk
18 May
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
29 May – 5 Jun
25 Jun
3-4 wk
26 Jun
16 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
23 Jun
3-4 wk
22 May
14 Jul
1 wk after
4 Jun
4 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 Apr
23 Jun
4-6 wk
14 May
21 Jul
0 wk
Lettuce
Lactuca sativa
16 – 23 Apr
10 Jul
3-4 wk
14 May
31 Jul
0 wk
18 May
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Apr
23 Jun
4-6 wk
14 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 Apr
2 Jun
2-4 wk
14 May
16 Jun
0 wk
14 May
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
16 Jun
1 wk after
18 May
6 Jun
1 wk after
Spinach
Spinacia oleracea
16 – 23 Apr
25 Jul
3-4 wk
14 May
15 Aug
0 wk
10 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jun
4-6 wk
27 Jul
11 wk after
Garden tomato
Solanum lycopersicum
15 – 29 Apr
13 May
6-8 wk
10 Jun
24 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
13 – 27 May
27 Jun
2-4 wk
10 Jun
11 Jul
4 wk after
2 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 Apr
23 Jun
4-6 wk
14 May
21 Jul
0 wk
Garden pea
Pisum sativum
16 – 23 Apr
25 Jun
3-4 wk
14 May
16 Jul
0 wk
18 May
6 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
15 – 29 May
3 Jun
4-6 wk
26 Jun
1 Jul
6 wk after
Lemon balm
Melissa officinalis
5 – 19 Mar
21 May
8-10 wk
14 May
16 Jul
0 wk
18 Jun
6 Jul
5 wk after
Dill
Anethum graveolens
18 May
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
19 Mar – 2 Apr
4 Jun
6-8 wk
14 May
16 Jul
0 wk
18 May
6 Jul
1 wk after
Spearmint
Mentha spicata
19 Feb – 19 Mar
21 May
8-12 wk
14 May
16 Jul
0 wk
18 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
14 May
15 Aug
0 wk
4 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
13 – 27 Mar
6 May
8-10 wk
22 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
5 – 19 Mar
11 May
8-10 wk
14 May
6 Jul
0 wk
Oregano
Origanum vulgare
19 Mar – 2 Apr
25 May
6-8 wk
14 May
6 Jul
0 wk
18 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
19 Mar – 2 Apr
25 May
6-8 wk
14 May
6 Jul
0 wk
18 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
13 Feb – 13 Mar
7 Apr
10-14 wk
22 May
16 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
29 May – 5 Jun
10 Jun
3-4 wk
26 Jun
1 Jul
6 wk after
Cornflower
Centaurea cyanus
14 May
16 Jul
0 wk
18 May
6 Jul
1 wk after
Statice
Limonium sinuatum
1 – 15 Apr
11 May
8-10 wk
10 Jun
6 Jul
4 wk after
Sweet William
Dianthus barbatus
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
30 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
15 – 29 Apr
25 May
6-8 wk
10 Jun
6 Jul
4 wk after
27 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
7 – 21 Apr
25 May
6-8 wk
2 Jun
6 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
23 Apr – 21 May
8 Jun
4-8 wk
18 Jun
6 Jul
5 wk after
18 Jun
26 Jun
5 wk after
Foxglove
Digitalis purpurea
5 – 19 Mar
8-10 wk
14 May
0 wk
4 Jun
3 wk after
Busy lizzie
Impatiens walleriana
3 Apr – 1 May
5 Jul
8-12 wk
26 Jun
30 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
15 – 29 Apr
4 Jun
6-8 wk
10 Jun
16 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
29 Apr – 13 May
18 May
4-6 wk
10 Jun
15 Jun
4 wk after
Chinese lantern
Physalis alkekengi
13 – 27 Mar
21 Apr
8-10 wk
22 May
16 Jun
1 wk after
Love in a mist
Nigella damascena
14 May
1 Jul
0 wk
18 May
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
15 – 29 Apr
15 May
6-8 wk
10 Jun
26 Jun
4 wk after
27 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
27 Feb – 27 Mar
21 Apr
8-12 wk
22 May
16 Jun
1 wk after
Cardoon
Cynara cardunculus
18 Mar – 15 Apr
22 Mar
8-12 wk
10 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
3 Apr – 1 May
26 Apr
8-12 wk
26 Jun
6 wk after
Globe amaranth
Gomphrena globosa
1 – 15 May
10 May
6-8 wk
26 Jun
6 wk after
Corn poppy
Papaver rhoeas
14 May
16 Jul
0 wk
18 May
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
19 Feb – 19 Mar
11 May
8-12 wk
14 May
6 Jul
0 wk
30 May
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
17 Apr – 1 May
21 May
8-10 wk
26 Jun
16 Jul
6 wk after
Sweet pea
Lathyrus odoratus
19 Mar – 9 Apr
1 Jun
5-8 wk
14 May
6 Jul
0 wk
Stock
Matthiola incana
19 Mar – 2 Apr
4 Jun
6-8 wk
14 May
16 Jul
0 wk
4 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
19 Mar – 2 Apr
5 May
6-8 wk
14 May
16 Jun
0 wk
4 Jun
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
15 – 29 May
19 May
4-6 wk
26 Jun
6 wk after
Garden pansy
Viola × wittrockiana
5 – 19 Mar
21 May
8-10 wk
14 May
16 Jul
0 wk
30 May
6 Jul
2 wk after
Petunia
Petunia
18 Mar – 15 Apr
11 May
8-12 wk
10 Jun
6 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
27 Mar – 10 Apr
5 May
6-8 wk
22 May
16 Jun
1 wk after
2 Jul
7 wk after
Common zinnia
Zinnia elegans
29 Apr – 13 May
17 Jun
4-6 wk
10 Jun
15 Jul
4 wk after
Common morning glory
Ipomoea purpurea
22 May – 5 Jun
10 Jun
3-5 wk
26 Jun
1 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
29 Apr – 13 May
8 Jun
4-6 wk
10 Jun
6 Jul
4 wk after
2 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
13 Apr – 11 May
26 May
8-12 wk
6 Jul
21 Jul
8 wk after
Bee balm
Monarda didyma
19 Feb – 19 Mar
21 Apr
8-12 wk
14 May
16 Jun
0 wk
18 Jun
5 wk after
Yarrow
Achillea millefolium
19 Mar – 2 Apr
5 Apr
6-8 wk
14 May
17 May
0 wk
4 Jun
3 wk after
Safflower
Carthamus tinctorius
14 May
16 Jun
0 wk
18 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
19 Mar – 2 Apr
25 May
6-8 wk
14 May
6 Jul
0 wk
26 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
2 – 16 Apr
8 Jun
4-6 wk
14 May
6 Jul
0 wk
4 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
3 – 17 Apr
6 Apr
10-12 wk
26 Jun
6 wk after
Sunflower
Helianthus annuus
13 – 20 May
15 Jun
3-4 wk
10 Jun
6 Jul
4 wk after
18 Jun
26 Jun
5 wk after
China aster
Callistephus chinensis
15 – 29 Apr
4 Jun
6-8 wk
10 Jun
16 Jul
4 wk after
2 Jul
6 Jul
7 wk after
Annual phlox
Phlox drummondii
3 – 17 Apr
4 Jun
6-8 wk
29 May
16 Jul
2 wk after
2 Jul
6 Jul
7 wk after
Hollyhock
Alcea rosea
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
4 Jun
3 wk after
Alpine delphinium
Delphinium elatum
19 Feb – 19 Mar
21 Apr
8-12 wk
14 May
16 Jun
0 wk
18 Jun
5 wk after
African marigold
Tagetes erecta
15 – 29 Apr
4 Jun
6-8 wk
10 Jun
16 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
27 Mar – 10 Apr
25 May
6-8 wk
22 May
6 Jul
1 wk after
2 Jul
7 wk after
Wood sage
Salvia nemorosa
5 – 19 Mar
11 Apr
8-10 wk
14 May
6 Jun
0 wk
18 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
17 Apr – 15 May
20 May
6-10 wk
26 Jun
1 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
14 May
16 Jul
0 wk
18 May
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
1 – 15 Apr
11 May
8-10 wk
10 Jun
6 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
19 Mar – 2 Apr
5 May
6-8 wk
14 May
16 Jun
0 wk
4 Jun
6 Jun
3 wk after