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No frost in sight Last frost normally in 4 days (6 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 6 May Normal year · 20 years of data
Frost-free season 155 days 6 May – 8 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)
19 Apr – 3 May
21 Jun
5-7 wk
7 Jun
26 Jul
5 wk after
30 Apr
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
3 Jul
4-6 wk
26 May
31 Jul
3 wk after
30 Apr
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
24 Mar – 21 Apr
28 Apr
8-12 wk
16 Jun
23 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
16 Feb – 2 Mar
16 Jun
5-7 wk
6 Apr
21 Jul
4 wk before
23 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
14 – 21 Jun
3-4 wk
12 Jul
10 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 Jun
13 Jun
4-5 wk
12 Jul
10 wk after
16 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
18 – 25 Jun
3-4 wk
16 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Feb – 11 Mar
6 Apr
8-12 wk
6 May
1 Jun
Vid frost
19 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 Apr
21 Jun
1 wk before
30 Apr
11 Jun
1 wk before
Maize
Zea mays
3 – 10 Jun
3-4 wk
1 Jul
8 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
10 Jul
3-4 wk
7 Jun
31 Jul
5 wk after
19 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
23 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
16 Feb – 2 Mar
16 Jun
5-7 wk
6 Apr
21 Jul
4 wk before
23 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
30 Mar – 13 Apr
13 Jun
4-6 wk
11 May
11 Jul
1 wk after
11 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
16 Feb – 2 Mar
26 Jun
5-7 wk
6 Apr
31 Jul
4 wk before
30 Apr
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
14 – 21 Jun
27 Jun
3-4 wk
12 Jul
18 Jul
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
23 Jun
3-4 wk
7 Jun
14 Jul
5 wk after
19 May
4 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
28 Jun
4-6 wk
26 May
26 Jul
3 wk after
Lettuce
Lactuca sativa
30 Mar – 6 Apr
15 Jul
3-4 wk
27 Apr
5 Aug
1 wk before
30 Apr
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Mar
28 Jun
4-6 wk
27 Apr
26 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
26 Mar – 9 Apr
7 Jun
2-4 wk
23 Apr
21 Jun
2 wk before
23 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 Apr
21 Jun
1 wk before
30 Apr
11 Jun
1 wk before
Spinach
Spinacia oleracea
19 – 26 Mar
30 Jul
3-4 wk
16 Apr
20 Aug
3 wk before
16 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jun
4-6 wk
19 Jul
11 wk after
Garden tomato
Solanum lycopersicum
6 – 20 May
10 May
6-8 wk
1 Jul
8 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
3 – 17 Jun
29 Jun
2-4 wk
1 Jul
13 Jul
8 wk after
16 Jun
3 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
28 Jun
4-6 wk
26 May
26 Jul
3 wk after
Garden pea
Pisum sativum
19 – 26 Mar
30 Jun
3-4 wk
16 Apr
21 Jul
3 wk before
30 Apr
11 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
31 May – 14 Jun
5 Jun
4-6 wk
12 Jul
10 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
26 May
8-10 wk
6 May
21 Jul
Vid frost
1 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
30 Apr
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
9 – 23 Feb
9 Jun
6-8 wk
6 Apr
21 Jul
4 wk before
30 Apr
11 Jul
1 wk before
Spearmint
Mentha spicata
22 Jan – 19 Feb
26 May
8-12 wk
16 Apr
21 Jul
3 wk before
1 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
19 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
11 May
8-10 wk
7 Jun
6 Jul
5 wk after
Common thyme
Thymus vulgaris
17 – 31 Mar
16 May
8-10 wk
26 May
11 Jul
3 wk after
Oregano
Origanum vulgare
20 Mar – 3 Apr
30 May
6-8 wk
15 May
11 Jul
1 wk after
1 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
19 Feb – 5 Mar
30 May
6-8 wk
16 Apr
11 Jul
3 wk before
30 Apr
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
1 – 29 Mar
12 Apr
10-14 wk
7 Jun
21 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
14 – 21 Jun
3-4 wk
12 Jul
10 wk after
Cornflower
Centaurea cyanus
16 Apr
21 Jul
3 wk before
30 Apr
11 Jul
1 wk before
Statice
Limonium sinuatum
22 Apr – 6 May
16 May
8-10 wk
1 Jul
11 Jul
8 wk after
Sweet William
Dianthus barbatus
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
11 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
6 – 20 May
30 May
6-8 wk
1 Jul
11 Jul
8 wk after
19 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
29 Apr – 13 May
30 May
6-8 wk
24 Jun
11 Jul
7 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
6 Apr – 4 May
13 Jun
4-8 wk
1 Jun
11 Jul
4 wk after
1 Jun
1 Jul
4 wk after
Foxglove
Digitalis purpurea
5 – 19 Feb
8-10 wk
16 Apr
3 wk before
19 May
2 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
4 Jul
8-12 wk
12 Jul
29 Aug
10 wk after
Creeping zinnia
Sanvitalia procumbens
6 – 20 May
9 Jun
6-8 wk
1 Jul
21 Jul
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
20 May – 3 Jun
4-6 wk
1 Jul
8 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
26 Apr
8-10 wk
7 Jun
21 Jun
5 wk after
Love in a mist
Nigella damascena
30 Apr
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
6 – 20 May
20 May
6-8 wk
1 Jul
1 Jul
8 wk after
19 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
26 Apr
8-12 wk
7 Jun
21 Jun
5 wk after
Cardoon
Cynara cardunculus
Fleece
24 Mar – 21 Apr
27 Mar
8-12 wk
16 Jun
6 wk after
Regal-foxtail
Ptilotus nobilis
19 Apr – 17 May
28 Apr
8-12 wk
12 Jul
10 wk after
Globe amaranth
Gomphrena globosa
17 – 31 May
6-8 wk
12 Jul
10 wk after
Corn poppy
Papaver rhoeas
30 Apr
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
2 Feb – 2 Mar
16 May
8-12 wk
27 Apr
11 Jul
1 wk before
11 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
3 – 17 May
26 May
8-10 wk
12 Jul
21 Jul
10 wk after
Sweet pea
Lathyrus odoratus
19 Feb – 12 Mar
6 Jun
5-8 wk
16 Apr
11 Jul
3 wk before
Stock
Matthiola incana
2 – 16 Mar
9 Jun
6-8 wk
27 Apr
21 Jul
1 wk before
19 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
19 Feb – 5 Mar
10 May
6-8 wk
16 Apr
21 Jun
3 wk before
19 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
31 May – 14 Jun
4-6 wk
12 Jul
10 wk after
Garden pansy
Viola × wittrockiana
26 Jan – 9 Feb
26 May
8-10 wk
6 Apr
21 Jul
4 wk before
11 May
11 Jul
1 wk after
Petunia
Petunia
8 Apr – 6 May
16 May
8-12 wk
1 Jul
11 Jul
8 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
10 May
6-8 wk
7 Jun
21 Jun
5 wk after
16 Jun
6 wk after
Common zinnia
Zinnia elegans
20 May – 3 Jun
16 Jun
4-6 wk
1 Jul
14 Jul
8 wk after
Common morning glory
Ipomoea purpurea
7 – 21 Jun
12 Jun
3-5 wk
12 Jul
10 wk after
Garden cosmos
Cosmos bipinnatus
20 May – 3 Jun
13 Jun
4-6 wk
1 Jul
11 Jul
8 wk after
16 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
26 Apr – 24 May
28 May
8-12 wk
19 Jul
23 Jul
11 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
26 Apr
8-12 wk
6 May
21 Jun
Vid frost
1 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
19 Feb – 5 Mar
10 Apr
6-8 wk
16 Apr
22 May
3 wk before
19 May
2 wk after
Safflower
Carthamus tinctorius
16 Apr
21 Jun
3 wk before
30 Apr
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
9 – 23 Feb
30 May
6-8 wk
6 Apr
11 Jul
4 wk before
23 Apr
1 Jul
2 wk before
Bishop's flower
Ammi majus
9 – 23 Apr
13 Jun
4-6 wk
21 May
11 Jul
2 wk after
19 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
8 – 22 Apr
12 Apr
10-12 wk
1 Jul
8 wk after
Sunflower
Helianthus annuus
3 – 10 Jun
20 Jun
3-4 wk
1 Jul
11 Jul
8 wk after
1 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
6 – 20 May
9 Jun
6-8 wk
1 Jul
21 Jul
8 wk after
16 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
9 Jun
6-8 wk
16 Jun
21 Jul
6 wk after
16 Jun
11 Jul
6 wk after
Hollyhock
Alcea rosea
19 Feb – 5 Mar
6-8 wk
16 Apr
3 wk before
19 May
2 wk after
Alpine delphinium
Delphinium elatum
3 – 31 Mar
26 Apr
8-12 wk
26 May
21 Jun
3 wk after
1 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
6 – 20 May
9 Jun
6-8 wk
1 Jul
21 Jul
8 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
30 May
6-8 wk
7 Jun
11 Jul
5 wk after
16 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
16 Apr
8-10 wk
15 May
11 Jun
1 wk after
1 Jun
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
3 – 31 May
22 May
6-10 wk
12 Jul
10 wk after
California goldenpoppy
Eschscholzia californica
30 Apr
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
22 Apr – 6 May
16 May
8-10 wk
1 Jul
11 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
19 Feb – 5 Mar
10 May
6-8 wk
16 Apr
21 Jun
3 wk before
19 May
11 Jun
2 wk after