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No frost in sight Last frost normally in 8 days (10 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 10 May Normal year · 20 years of data
Frost-free season 160 days 10 May – 17 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 Apr – 7 May
14 Jun
5-7 wk
11 Jun
19 Jul
5 wk after
14 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
26 Jun
4-6 wk
29 May
24 Jul
3 wk after
14 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
24 Mar – 21 Apr
22 Apr
8-12 wk
16 Jun
17 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Mar
9 Jun
5-7 wk
21 Apr
14 Jul
3 wk before
10 May
4 Jul
Vid frost
Garden cucumber
Cucumis sativus
3 – 10 Jun
3-4 wk
1 Jul
7 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
6 Jun
4-5 wk
1 Jul
4 Jul
7 wk after
28 Jun
7 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
8 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Feb – 15 Mar
30 Mar
8-12 wk
10 May
25 May
Vid frost
31 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
14 May
14 Jun
1 wk after
14 May
4 Jun
1 wk after
Maize
Zea mays
28 May – 4 Jun
3-4 wk
25 Jun
7 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 May
3 Jul
3-4 wk
11 Jun
24 Jul
5 wk after
31 May
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
24 Jun
Vid frost
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Mar
9 Jun
5-7 wk
21 Apr
14 Jul
3 wk before
10 May
4 Jul
Vid frost
Potato
Solanum tuberosum
14 – 28 Apr
29 May
4-6 wk
26 May
26 Jun
2 wk after
26 May
16 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Mar
19 Jun
5-7 wk
21 Apr
24 Jul
3 wk before
14 May
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
3 – 10 Jun
21 Jun
3-4 wk
1 Jul
12 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 May
11 Jun
3-4 wk
11 Jun
2 Jul
5 wk after
31 May
22 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
21 Jun
4-6 wk
29 May
19 Jul
3 wk after
Lettuce
Lactuca sativa
6 – 13 Apr
8 Jul
3-4 wk
4 May
29 Jul
1 wk before
14 May
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Mar – 6 Apr
21 Jun
4-6 wk
4 May
19 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
31 May
2-4 wk
10 May
14 Jun
Vid frost
10 May
4 Jun
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
14 May
14 Jun
1 wk after
14 May
4 Jun
1 wk after
Spinach
Spinacia oleracea
30 Mar – 6 Apr
23 Jul
3-4 wk
27 Apr
13 Aug
2 wk before
6 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
11 – 25 Jun
4-6 wk
23 Jul
11 wk after
Garden tomato
Solanum lycopersicum
30 Apr – 14 May
6-8 wk
25 Jun
7 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
28 May – 11 Jun
23 Jun
2-4 wk
25 Jun
7 Jul
7 wk after
28 Jun
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
21 Jun
4-6 wk
29 May
19 Jul
3 wk after
Garden pea
Pisum sativum
30 Mar – 6 Apr
23 Jun
3-4 wk
27 Apr
14 Jul
2 wk before
14 May
4 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
20 May – 3 Jun
30 May
4-6 wk
1 Jul
7 wk after
Lemon balm
Melissa officinalis
1 – 15 Mar
19 May
8-10 wk
10 May
14 Jul
Vid frost
14 Jun
4 Jul
5 wk after
Dill
Anethum graveolens
14 May
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
24 Feb – 10 Mar
2 Jun
6-8 wk
21 Apr
14 Jul
3 wk before
14 May
4 Jul
1 wk after
Spearmint
Mentha spicata
2 Feb – 2 Mar
19 May
8-12 wk
27 Apr
14 Jul
2 wk before
14 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
31 May
3 Aug
3 wk after
Garden sage
Salvia officinalis
2 – 16 Apr
4 May
8-10 wk
11 Jun
29 Jun
5 wk after
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
9 May
8-10 wk
29 May
4 Jul
3 wk after
Oregano
Origanum vulgare
20 Mar – 3 Apr
23 May
6-8 wk
15 May
4 Jul
1 wk after
14 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
2 – 16 Mar
23 May
6-8 wk
27 Apr
4 Jul
2 wk before
14 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
5 Mar – 2 Apr
5 Apr
10-14 wk
11 Jun
14 Jun
5 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
3 – 10 Jun
6 Jun
3-4 wk
1 Jul
7 wk after
Cornflower
Centaurea cyanus
27 Apr
14 Jul
2 wk before
14 May
4 Jul
1 wk after
Statice
Limonium sinuatum
16 – 30 Apr
5 May
8-10 wk
25 Jun
30 Jun
7 wk after
Sweet William
Dianthus barbatus
2 – 16 Mar
6-8 wk
27 Apr
2 wk before
26 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
30 Apr – 14 May
19 May
6-8 wk
25 Jun
30 Jun
7 wk after
23 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
27 Apr – 11 May
23 May
6-8 wk
22 Jun
4 Jul
6 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
19 Apr – 17 May
6 Jun
4-8 wk
14 Jun
4 Jul
5 wk after
14 Jun
24 Jun
5 wk after
Foxglove
Digitalis purpurea
16 Feb – 2 Mar
8-10 wk
27 Apr
2 wk before
31 May
3 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
24 Jun
8-12 wk
1 Jul
19 Aug
7 wk after
Creeping zinnia
Sanvitalia procumbens
30 Apr – 14 May
29 May
6-8 wk
25 Jun
10 Jul
7 wk after
Hyacinth bean
Dolichos lablab
Season too short
14 – 28 May
4-6 wk
25 Jun
7 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Apr
19 Apr
8-10 wk
11 Jun
14 Jun
5 wk after
Love in a mist
Nigella damascena
14 May
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
30 Apr – 14 May
9 May
6-8 wk
25 Jun
7 wk after
23 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
19 Mar – 16 Apr
19 Apr
8-12 wk
11 Jun
14 Jun
5 wk after
Cardoon
Cynara cardunculus
2 – 30 Apr
8-12 wk
25 Jun
7 wk after
Regal-foxtail
Ptilotus nobilis
8 Apr – 6 May
22 Apr
8-12 wk
1 Jul
7 wk after
Globe amaranth
Gomphrena globosa
6 – 20 May
6 May
6-8 wk
1 Jul
7 wk after
Corn poppy
Papaver rhoeas
14 May
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
9 Feb – 9 Mar
9 May
8-12 wk
4 May
4 Jul
1 wk before
26 May
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
22 Apr – 6 May
15 May
8-10 wk
1 Jul
10 Jul
7 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Mar
30 May
5-8 wk
27 Apr
4 Jul
2 wk before
Stock
Matthiola incana
9 – 23 Mar
2 Jun
6-8 wk
4 May
14 Jul
1 wk before
31 May
4 Jul
3 wk after
Wormwood
Artemisia absinthium
2 – 16 Mar
3 May
6-8 wk
27 Apr
14 Jun
2 wk before
31 May
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
20 May – 3 Jun
4-6 wk
1 Jul
7 wk after
Garden pansy
Viola × wittrockiana
10 – 24 Feb
19 May
8-10 wk
21 Apr
14 Jul
3 wk before
26 May
4 Jul
2 wk after
Petunia
Petunia
2 – 30 Apr
5 May
8-12 wk
25 Jun
30 Jun
7 wk after
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Apr
3 May
6-8 wk
11 Jun
14 Jun
5 wk after
28 Jun
7 wk after
Common zinnia
Zinnia elegans
14 – 28 May
6 Jun
4-6 wk
25 Jun
4 Jul
7 wk after
Common morning glory
Ipomoea purpurea
27 May – 10 Jun
6 Jun
3-5 wk
1 Jul
7 wk after
Garden cosmos
Cosmos bipinnatus
14 – 28 May
6 Jun
4-6 wk
25 Jun
4 Jul
7 wk after
28 Jun
7 wk after
Scarlet milkweed
Asclepias curassavica
9 Apr – 7 May
22 May
8-12 wk
2 Jul
17 Jul
8 wk after
Bee balm
Monarda didyma
15 Feb – 15 Mar
19 Apr
8-12 wk
10 May
14 Jun
Vid frost
14 Jun
5 wk after
Yarrow
Achillea millefolium
2 – 16 Mar
3 Apr
6-8 wk
27 Apr
15 May
2 wk before
31 May
3 wk after
Safflower
Carthamus tinctorius
27 Apr
14 Jun
2 wk before
14 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
24 Feb – 10 Mar
23 May
6-8 wk
21 Apr
4 Jul
3 wk before
10 May
24 Jun
Vid frost
Bishop's flower
Ammi majus
8 – 22 Apr
6 Jun
4-6 wk
20 May
4 Jul
1 wk after
31 May
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
2 – 16 Apr
5 Apr
10-12 wk
25 Jun
7 wk after
Sunflower
Helianthus annuus
28 May – 4 Jun
13 Jun
3-4 wk
25 Jun
4 Jul
7 wk after
14 Jun
24 Jun
5 wk after
China aster
Callistephus chinensis
30 Apr – 14 May
2 Jun
6-8 wk
25 Jun
14 Jul
7 wk after
28 Jun
4 Jul
7 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
29 May
6-8 wk
16 Jun
10 Jul
5 wk after
28 Jun
30 Jun
7 wk after
Hollyhock
Alcea rosea
2 – 16 Mar
6-8 wk
27 Apr
2 wk before
31 May
3 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
19 Apr
8-12 wk
29 May
14 Jun
3 wk after
14 Jun
5 wk after
African marigold
Tagetes erecta
30 Apr – 14 May
29 May
6-8 wk
25 Jun
10 Jul
7 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Apr
23 May
6-8 wk
11 Jun
4 Jul
5 wk after
28 Jun
7 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
9 Apr
8-10 wk
15 May
4 Jun
1 wk after
14 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
22 Apr – 20 May
16 May
6-10 wk
1 Jul
7 wk after
California goldenpoppy
Eschscholzia californica
14 May
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
16 – 30 Apr
9 May
8-10 wk
25 Jun
4 Jul
7 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Mar
3 May
6-8 wk
27 Apr
14 Jun
2 wk before
31 May
4 Jun
3 wk after