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No frost in sight Last frost normally in 6 days (8 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 8 May Normal year · 20 years of data
Frost-free season 150 days 8 May – 5 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)
21 Apr – 5 May
19 Jun
5-7 wk
9 Jun
24 Jul
5 wk after
2 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
1 Jul
4-6 wk
28 May
29 Jul
3 wk after
2 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
26 Mar – 23 Apr
21 Apr
8-12 wk
18 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Feb – 4 Mar
14 Jun
5-7 wk
8 Apr
19 Jul
4 wk before
25 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
16 – 23 Jun
3-4 wk
14 Jul
10 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 Jun
11 Jun
4-5 wk
14 Jul
10 wk after
18 Jun
29 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
20 – 27 Jun
3-4 wk
18 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
4 Apr
8-12 wk
8 May
30 May
Vid frost
21 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 May
19 Jun
1 wk before
2 May
9 Jun
1 wk before
Maize
Zea mays
5 – 12 Jun
3-4 wk
3 Jul
8 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
8 Jul
3-4 wk
9 Jun
29 Jul
5 wk after
21 May
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Feb – 4 Mar
14 Jun
5-7 wk
8 Apr
19 Jul
4 wk before
25 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Apr
8 Jun
4-6 wk
13 May
6 Jul
1 wk after
13 May
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Feb – 4 Mar
24 Jun
5-7 wk
8 Apr
29 Jul
4 wk before
2 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
16 – 23 Jun
20 Jun
3-4 wk
14 Jul
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
17 Jun
3-4 wk
9 Jun
8 Jul
5 wk after
21 May
28 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
26 Jun
4-6 wk
28 May
24 Jul
3 wk after
Lettuce
Lactuca sativa
1 – 8 Apr
13 Jul
3-4 wk
29 Apr
3 Aug
1 wk before
2 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Mar – 1 Apr
26 Jun
4-6 wk
29 Apr
24 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Mar – 11 Apr
5 Jun
2-4 wk
25 Apr
19 Jun
2 wk before
25 Apr
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 May
19 Jun
1 wk before
2 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 Mar
28 Jul
3-4 wk
18 Apr
18 Aug
3 wk before
18 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
11 wk after
Garden tomato
Solanum lycopersicum
8 – 22 May
6-8 wk
3 Jul
8 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
5 – 19 Jun
22 Jun
2-4 wk
3 Jul
6 Jul
8 wk after
18 Jun
26 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
26 Jun
4-6 wk
28 May
24 Jul
3 wk after
Garden pea
Pisum sativum
21 – 28 Mar
28 Jun
3-4 wk
18 Apr
19 Jul
3 wk before
2 May
9 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
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
24 May
8-10 wk
8 May
19 Jul
Vid frost
3 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
2 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Feb
7 Jun
6-8 wk
8 Apr
19 Jul
4 wk before
2 May
9 Jul
1 wk before
Spearmint
Mentha spicata
24 Jan – 21 Feb
24 May
8-12 wk
18 Apr
19 Jul
3 wk before
3 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
21 May
8 Aug
2 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
9 May
8-10 wk
9 Jun
4 Jul
5 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
14 May
8-10 wk
28 May
9 Jul
3 wk after
Oregano
Origanum vulgare
22 Mar – 5 Apr
28 May
6-8 wk
17 May
9 Jul
1 wk after
3 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
21 Feb – 7 Mar
28 May
6-8 wk
18 Apr
9 Jul
3 wk before
2 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
3 – 31 Mar
10 Apr
10-14 wk
9 Jun
19 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
16 – 23 Jun
3-4 wk
14 Jul
10 wk after
Cornflower
Centaurea cyanus
18 Apr
19 Jul
3 wk before
2 May
9 Jul
1 wk before
Statice
Limonium sinuatum
24 Apr – 8 May
9 May
8-10 wk
3 Jul
4 Jul
8 wk after
Sweet William
Dianthus barbatus
21 Feb – 7 Mar
6-8 wk
18 Apr
3 wk before
13 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
8 – 22 May
23 May
6-8 wk
3 Jul
4 Jul
8 wk after
21 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
1 – 15 May
28 May
6-8 wk
26 Jun
9 Jul
7 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 Apr – 6 May
11 Jun
4-8 wk
3 Jun
9 Jul
4 wk after
3 Jun
29 Jun
4 wk after
Foxglove
Digitalis purpurea
7 – 21 Feb
8-10 wk
18 Apr
3 wk before
21 May
2 wk after
Busy lizzie
Impatiens walleriana
21 Apr – 19 May
1 Jul
8-12 wk
14 Jul
26 Aug
10 wk after
Creeping zinnia
Sanvitalia procumbens
8 – 22 May
2 Jun
6-8 wk
3 Jul
14 Jul
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
8 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
24 Apr
8-10 wk
9 Jun
19 Jun
5 wk after
Love in a mist
Nigella damascena
2 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
8 – 22 May
13 May
6-8 wk
3 Jul
8 wk after
21 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
24 Apr
8-12 wk
9 Jun
19 Jun
5 wk after
Cardoon
Cynara cardunculus
10 Apr – 8 May
8-12 wk
3 Jul
8 wk after
Regal-foxtail
Ptilotus nobilis
21 Apr – 19 May
21 Apr
8-12 wk
14 Jul
10 wk after
Globe amaranth
Gomphrena globosa
19 May – 2 Jun
6-8 wk
14 Jul
10 wk after
Corn poppy
Papaver rhoeas
2 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
4 Feb – 4 Mar
14 May
8-12 wk
29 Apr
9 Jul
1 wk before
13 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
5 – 19 May
19 May
8-10 wk
14 Jul
14 Jul
10 wk after
Sweet pea
Lathyrus odoratus
21 Feb – 14 Mar
4 Jun
5-8 wk
18 Apr
9 Jul
3 wk before
Stock
Matthiola incana
4 – 18 Mar
7 Jun
6-8 wk
29 Apr
19 Jul
1 wk before
21 May
9 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Feb – 7 Mar
8 May
6-8 wk
18 Apr
19 Jun
3 wk before
21 May
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
22 May – 5 Jun
29 May
4-6 wk
3 Jul
8 wk after
Garden pansy
Viola × wittrockiana
28 Jan – 11 Feb
24 May
8-10 wk
8 Apr
19 Jul
4 wk before
13 May
9 Jul
1 wk after
Petunia
Petunia
10 Apr – 8 May
9 May
8-12 wk
3 Jul
4 Jul
8 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
8 May
6-8 wk
9 Jun
19 Jun
5 wk after
18 Jun
6 wk after
Common zinnia
Zinnia elegans
22 May – 5 Jun
13 Jun
4-6 wk
3 Jul
11 Jul
8 wk after
Common morning glory
Ipomoea purpurea
9 – 23 Jun
3-5 wk
14 Jul
10 wk after
Garden cosmos
Cosmos bipinnatus
22 May – 5 Jun
11 Jun
4-6 wk
3 Jul
9 Jul
8 wk after
18 Jun
29 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
28 Apr – 26 May
21 May
8-12 wk
21 Jul
11 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
24 Apr
8-12 wk
8 May
19 Jun
Vid frost
3 Jun
9 Jun
4 wk after
Yarrow
Achillea millefolium
21 Feb – 7 Mar
8 Apr
6-8 wk
18 Apr
20 May
3 wk before
21 May
2 wk after
Safflower
Carthamus tinctorius
18 Apr
19 Jun
3 wk before
2 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
11 – 25 Feb
28 May
6-8 wk
8 Apr
9 Jul
4 wk before
25 Apr
29 Jun
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
11 Jun
4-6 wk
23 May
9 Jul
2 wk after
21 May
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
10 – 24 Apr
10 Apr
10-12 wk
3 Jul
8 wk after
Sunflower
Helianthus annuus
5 – 12 Jun
18 Jun
3-4 wk
3 Jul
9 Jul
8 wk after
3 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
8 – 22 May
7 Jun
6-8 wk
3 Jul
19 Jul
8 wk after
18 Jun
9 Jul
6 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
2 Jun
6-8 wk
18 Jun
14 Jul
6 wk after
18 Jun
4 Jul
6 wk after
Hollyhock
Alcea rosea
21 Feb – 7 Mar
6-8 wk
18 Apr
3 wk before
21 May
2 wk after
Alpine delphinium
Delphinium elatum
5 Mar – 2 Apr
24 Apr
8-12 wk
28 May
19 Jun
3 wk after
3 Jun
9 Jun
4 wk after
African marigold
Tagetes erecta
8 – 22 May
2 Jun
6-8 wk
3 Jul
14 Jul
8 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
28 May
6-8 wk
9 Jun
9 Jul
5 wk after
18 Jun
29 Jun
6 wk after
Wood sage
Salvia nemorosa
8 – 22 Mar
14 Apr
8-10 wk
17 May
9 Jun
1 wk after
3 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
5 May – 2 Jun
15 May
6-10 wk
14 Jul
10 wk after
California goldenpoppy
Eschscholzia californica
2 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
24 Apr – 8 May
14 May
8-10 wk
3 Jul
9 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
21 Feb – 7 Mar
8 May
6-8 wk
18 Apr
19 Jun
3 wk before
21 May
9 Jun
2 wk after