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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 Frost 1 of 4 years · 20 years of data
Frost-free season 172 days 8 May – 27 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)
21 Apr – 5 May
21 Jun
5-7 wk
9 Jun
26 Jul
5 wk after
2 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
16 – 30 Apr
3 Jul
4-6 wk
28 May
31 Jul
3 wk after
2 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
10 Apr – 8 May
30 Apr
8-12 wk
3 Jul
8 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Feb – 4 Mar
16 Jun
5-7 wk
8 Apr
21 Jul
4 wk before
25 Apr
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
16 – 23 Jun
24 Jun
3-4 wk
14 Jul
15 Jul
10 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 Jun
13 Jun
4-5 wk
14 Jul
10 wk after
18 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
24 Jun – 1 Jul
3-4 wk
22 Jul
11 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
6 Apr
8-12 wk
8 May
1 Jun
Vid frost
21 May
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 May
21 Jun
1 wk before
2 May
11 Jun
1 wk before
Maize
Zea mays
5 – 12 Jun
14 Jun
3-4 wk
3 Jul
5 Jul
8 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
10 Jul
3-4 wk
9 Jun
31 Jul
5 wk after
21 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 Apr
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Feb – 4 Mar
16 Jun
5-7 wk
8 Apr
21 Jul
4 wk before
25 Apr
11 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Apr
13 Jun
4-6 wk
13 May
11 Jul
1 wk after
13 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Feb – 4 Mar
26 Jun
5-7 wk
8 Apr
31 Jul
4 wk before
2 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
16 – 23 Jun
7 Jul
3-4 wk
14 Jul
28 Jul
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
5 Jul
3-4 wk
9 Jun
26 Jul
5 wk after
21 May
16 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
16 – 30 Apr
28 Jun
4-6 wk
28 May
26 Jul
3 wk after
Lettuce
Lactuca sativa
1 – 8 Apr
15 Jul
3-4 wk
29 Apr
5 Aug
1 wk before
2 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Mar – 1 Apr
28 Jun
4-6 wk
29 Apr
26 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Mar – 11 Apr
7 Jun
2-4 wk
25 Apr
21 Jun
2 wk before
25 Apr
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 May
21 Jun
1 wk before
2 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
21 – 28 Mar
30 Jul
3-4 wk
18 Apr
20 Aug
3 wk before
18 Apr
10 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
24 May
6-8 wk
3 Jul
5 Jul
8 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
5 – 19 Jun
9 Jul
2-4 wk
3 Jul
23 Jul
8 wk after
18 Jun
13 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
16 – 30 Apr
28 Jun
4-6 wk
28 May
26 Jul
3 wk after
Garden pea
Pisum sativum
21 – 28 Mar
30 Jun
3-4 wk
18 Apr
21 Jul
3 wk before
2 May
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
2 – 16 Jun
15 Jun
4-6 wk
14 Jul
10 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
26 May
8-10 wk
8 May
21 Jul
Vid frost
3 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
2 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Feb
9 Jun
6-8 wk
8 Apr
21 Jul
4 wk before
2 May
11 Jul
1 wk before
Spearmint
Mentha spicata
24 Jan – 21 Feb
26 May
8-12 wk
18 Apr
21 Jul
3 wk before
3 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
21 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
11 May
8-10 wk
9 Jun
6 Jul
5 wk after
Common thyme
Thymus vulgaris
19 Mar – 2 Apr
16 May
8-10 wk
28 May
11 Jul
3 wk after
Oregano
Origanum vulgare
22 Mar – 5 Apr
30 May
6-8 wk
17 May
11 Jul
1 wk after
3 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
21 Feb – 7 Mar
30 May
6-8 wk
18 Apr
11 Jul
3 wk before
2 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
3 – 31 Mar
12 Apr
10-14 wk
9 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
16 – 23 Jun
22 Jun
3-4 wk
14 Jul
10 wk after
Cornflower
Centaurea cyanus
18 Apr
21 Jul
3 wk before
2 May
11 Jul
1 wk before
Statice
Limonium sinuatum
24 Apr – 8 May
16 May
8-10 wk
3 Jul
11 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
30 May
6-8 wk
3 Jul
11 Jul
8 wk after
21 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
1 – 15 May
30 May
6-8 wk
26 Jun
11 Jul
7 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 Apr – 6 May
13 Jun
4-8 wk
3 Jun
11 Jul
4 wk after
3 Jun
1 Jul
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
11 Jul
8-12 wk
14 Jul
5 Sep
10 wk after
Creeping zinnia
Sanvitalia procumbens
8 – 22 May
9 Jun
6-8 wk
3 Jul
21 Jul
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
22 May – 5 Jun
24 May
4-6 wk
3 Jul
8 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
26 Apr
8-10 wk
9 Jun
21 Jun
5 wk after
Love in a mist
Nigella damascena
2 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
8 – 22 May
20 May
6-8 wk
3 Jul
8 wk after
21 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
26 Apr
8-12 wk
9 Jun
21 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
8 May
8-12 wk
14 Jul
10 wk after
Globe amaranth
Gomphrena globosa
19 May – 2 Jun
22 May
6-8 wk
14 Jul
10 wk after
Corn poppy
Papaver rhoeas
2 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
4 Feb – 4 Mar
16 May
8-12 wk
29 Apr
11 Jul
1 wk before
13 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
5 – 19 May
26 May
8-10 wk
14 Jul
21 Jul
10 wk after
Sweet pea
Lathyrus odoratus
21 Feb – 14 Mar
6 Jun
5-8 wk
18 Apr
11 Jul
3 wk before
Stock
Matthiola incana
4 – 18 Mar
9 Jun
6-8 wk
29 Apr
21 Jul
1 wk before
21 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Feb – 7 Mar
10 May
6-8 wk
18 Apr
21 Jun
3 wk before
21 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Garden pansy
Viola × wittrockiana
28 Jan – 11 Feb
26 May
8-10 wk
8 Apr
21 Jul
4 wk before
13 May
11 Jul
1 wk after
Petunia
Petunia
10 Apr – 8 May
16 May
8-12 wk
3 Jul
11 Jul
8 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
10 May
6-8 wk
9 Jun
21 Jun
5 wk after
18 Jun
6 wk after
Common zinnia
Zinnia elegans
22 May – 5 Jun
23 Jun
4-6 wk
3 Jul
21 Jul
8 wk after
Common morning glory
Ipomoea purpurea
9 – 23 Jun
22 Jun
3-5 wk
14 Jul
10 wk after
Garden cosmos
Cosmos bipinnatus
22 May – 5 Jun
13 Jun
4-6 wk
3 Jul
11 Jul
8 wk after
18 Jun
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
28 Apr – 26 May
7 Jun
8-12 wk
21 Jul
2 Aug
11 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
26 Apr
8-12 wk
8 May
21 Jun
Vid frost
3 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
21 Feb – 7 Mar
10 Apr
6-8 wk
18 Apr
22 May
3 wk before
21 May
2 wk after
Safflower
Carthamus tinctorius
18 Apr
21 Jun
3 wk before
2 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
11 – 25 Feb
30 May
6-8 wk
8 Apr
11 Jul
4 wk before
25 Apr
1 Jul
2 wk before
Bishop's flower
Ammi majus
11 – 25 Apr
13 Jun
4-6 wk
23 May
11 Jul
2 wk after
21 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
21 Apr – 5 May
10-12 wk
14 Jul
10 wk after
Sunflower
Helianthus annuus
5 – 12 Jun
20 Jun
3-4 wk
3 Jul
11 Jul
8 wk after
3 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
8 – 22 May
9 Jun
6-8 wk
3 Jul
21 Jul
8 wk after
18 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
9 Jun
6-8 wk
18 Jun
21 Jul
6 wk after
18 Jun
11 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
26 Apr
8-12 wk
28 May
21 Jun
3 wk after
3 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
8 – 22 May
9 Jun
6-8 wk
3 Jul
21 Jul
8 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
30 May
6-8 wk
9 Jun
11 Jul
5 wk after
18 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
8 – 22 Mar
16 Apr
8-10 wk
17 May
11 Jun
1 wk after
3 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
5 May – 2 Jun
1 Jun
6-10 wk
14 Jul
10 wk after
California goldenpoppy
Eschscholzia californica
2 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
24 Apr – 8 May
16 May
8-10 wk
3 Jul
11 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
21 Feb – 7 Mar
10 May
6-8 wk
18 Apr
21 Jun
3 wk before
21 May
11 Jun
2 wk after