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No frost in sight Last frost normally in 4 days (9 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 9 May Frost 1 of 10 years · 20 years of data
Frost-free season 197 days 9 May – 22 Nov
Probability that frost is over

90% = 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)
22 Apr – 6 May
22 Jun
5-7 wk
10 Jun
27 Jul
5 wk after
3 May
17 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
4 Jul
4-6 wk
29 May
1 Aug
3 wk after
3 May
22 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
27 Mar – 24 Apr
12 Apr
8-12 wk
19 Jun
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Feb – 5 Mar
17 Jun
5-7 wk
9 Apr
22 Jul
4 wk before
26 Apr
12 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
6 – 13 Jun
6 Jun
3-4 wk
4 Jul
8 wk after
Florence Fennel
Foeniculum vulgare
10 – 17 Jun
14 Jun
4-5 wk
15 Jul
10 wk after
19 Jun
2 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
21 – 28 Jun
3-4 wk
19 Jul
10 wk after
Onion
Allium cepa (Cepa-gruppen)
14 Feb – 14 Mar
7 Apr
8-12 wk
9 May
2 Jun
Vid frost
22 May
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 May
22 Jun
1 wk before
3 May
12 Jun
1 wk before
Maize
Zea mays
Fleece
22 – 29 May
27 May
3-4 wk
19 Jun
6 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
11 Jul
3-4 wk
10 Jun
1 Aug
5 wk after
22 May
22 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 Apr
2 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Feb – 5 Mar
17 Jun
5-7 wk
9 Apr
22 Jul
4 wk before
26 Apr
12 Jul
2 wk before
Potato
Solanum tuberosum
2 – 16 Apr
14 Jun
4-6 wk
14 May
12 Jul
1 wk after
14 May
2 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Feb – 5 Mar
27 Jun
5-7 wk
9 Apr
1 Aug
4 wk before
3 May
22 Jul
1 wk before
Pumpkin
Cucurbita pepo
17 – 24 Jun
3-4 wk
15 Jul
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 May
11 Jul
3-4 wk
10 Jun
1 Aug
5 wk after
22 May
22 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
29 Jun
4-6 wk
29 May
27 Jul
3 wk after
Lettuce
Lactuca sativa
2 – 9 Apr
16 Jul
3-4 wk
30 Apr
6 Aug
1 wk before
3 May
27 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Mar – 2 Apr
29 Jun
4-6 wk
30 Apr
27 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Mar – 12 Apr
8 Jun
2-4 wk
26 Apr
22 Jun
2 wk before
26 Apr
12 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 May
22 Jun
1 wk before
3 May
12 Jun
1 wk before
Spinach
Spinacia oleracea
22 – 29 Mar
31 Jul
3-4 wk
19 Apr
21 Aug
3 wk before
19 Apr
11 Aug
3 wk before
Sweet potato
Ipomoea batatas
10 – 24 Jun
4-6 wk
22 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
24 Apr – 8 May
6 May
6-8 wk
19 Jun
6 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
6 – 20 Jun
13 Jun
2-4 wk
4 Jul
8 wk after
19 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
29 Jun
4-6 wk
29 May
27 Jul
3 wk after
Garden pea
Pisum sativum
22 – 29 Mar
1 Jul
3-4 wk
19 Apr
22 Jul
3 wk before
3 May
12 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
3 – 17 Jun
4-6 wk
15 Jul
10 wk after
Lemon balm
Melissa officinalis
28 Feb – 14 Mar
27 May
8-10 wk
9 May
22 Jul
Vid frost
4 Jun
12 Jul
4 wk after
Dill
Anethum graveolens
3 May
1 Aug
1 wk before
Wild chives
Allium schoenoprasum
12 – 26 Feb
10 Jun
6-8 wk
9 Apr
22 Jul
4 wk before
3 May
12 Jul
1 wk before
Spearmint
Mentha spicata
25 Jan – 22 Feb
27 May
8-12 wk
19 Apr
22 Jul
3 wk before
4 Jun
12 Jul
4 wk after
Coriander
Coriandrum sativum
22 May
11 Aug
2 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
12 May
8-10 wk
10 Jun
7 Jul
5 wk after
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
17 May
8-10 wk
29 May
12 Jul
3 wk after
Oregano
Origanum vulgare
23 Mar – 6 Apr
31 May
6-8 wk
18 May
12 Jul
1 wk after
4 Jun
2 Jul
4 wk after
Parsley
Petroselinum crispum
22 Feb – 8 Mar
31 May
6-8 wk
19 Apr
12 Jul
3 wk before
3 May
2 Jul
1 wk before
Rosemary
Salvia rosmarinus
4 Mar – 1 Apr
13 Apr
10-14 wk
10 Jun
22 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
17 – 24 Jun
3-4 wk
15 Jul
10 wk after
Cornflower
Centaurea cyanus
19 Apr
22 Jul
3 wk before
3 May
12 Jul
1 wk before
Statice
Limonium sinuatum
25 Apr – 9 May
9 May
8-10 wk
4 Jul
4 Jul
8 wk after
Sweet William
Dianthus barbatus
22 Feb – 8 Mar
6-8 wk
19 Apr
3 wk before
14 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
9 – 23 May
23 May
6-8 wk
4 Jul
4 Jul
8 wk after
22 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
2 – 16 May
27 May
6-8 wk
27 Jun
8 Jul
7 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 Apr – 7 May
10 Jun
4-8 wk
4 Jun
8 Jul
4 wk after
4 Jun
28 Jun
4 wk after
Foxglove
Digitalis purpurea
8 – 22 Feb
8-10 wk
19 Apr
3 wk before
22 May
2 wk after
Busy lizzie
Impatiens walleriana
22 Apr – 20 May
30 Jun
8-12 wk
15 Jul
25 Aug
10 wk after
Creeping zinnia
Sanvitalia procumbens
9 – 23 May
2 Jun
6-8 wk
4 Jul
14 Jul
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 May – 6 Jun
4-6 wk
4 Jul
8 wk after
Chinese lantern
Physalis alkekengi
1 – 15 Apr
27 Apr
8-10 wk
10 Jun
22 Jun
5 wk after
Love in a mist
Nigella damascena
3 May
27 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
9 – 23 May
13 May
6-8 wk
4 Jul
8 wk after
22 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
27 Apr
8-12 wk
10 Jun
22 Jun
5 wk after
Cardoon
Cynara cardunculus
11 Apr – 9 May
8-12 wk
4 Jul
8 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
11 Apr – 9 May
5 May
8-12 wk
4 Jul
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
9 – 23 May
19 May
6-8 wk
4 Jul
8 wk after
Corn poppy
Papaver rhoeas
3 May
12 Jul
1 wk before
Snapdragon
Antirrhinum majus
5 Feb – 5 Mar
17 May
8-12 wk
30 Apr
12 Jul
1 wk before
14 May
2 Jul
1 wk after
Flossflower
Ageratum houstonianum
6 – 20 May
19 May
8-10 wk
15 Jul
10 wk after
Sweet pea
Lathyrus odoratus
22 Feb – 15 Mar
7 Jun
5-8 wk
19 Apr
12 Jul
3 wk before
Stock
Matthiola incana
5 – 19 Mar
10 Jun
6-8 wk
30 Apr
22 Jul
1 wk before
22 May
12 Jul
2 wk after
Wormwood
Artemisia absinthium
22 Feb – 8 Mar
11 May
6-8 wk
19 Apr
22 Jun
3 wk before
22 May
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
23 May – 6 Jun
28 May
4-6 wk
4 Jul
8 wk after
Garden pansy
Viola × wittrockiana
29 Jan – 12 Feb
27 May
8-10 wk
9 Apr
22 Jul
4 wk before
14 May
12 Jul
1 wk after
Petunia
Petunia
11 Apr – 9 May
9 May
8-12 wk
4 Jul
4 Jul
8 wk after
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
11 May
6-8 wk
10 Jun
22 Jun
5 wk after
19 Jun
6 wk after
Common zinnia
Zinnia elegans
23 May – 6 Jun
12 Jun
4-6 wk
4 Jul
10 Jul
8 wk after
Common morning glory
Ipomoea purpurea
10 – 24 Jun
3-5 wk
15 Jul
10 wk after
Garden cosmos
Cosmos bipinnatus
23 May – 6 Jun
10 Jun
4-6 wk
4 Jul
8 Jul
8 wk after
19 Jun
28 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
29 Apr – 27 May
12 May
8-12 wk
22 Jul
11 wk after
Bee balm
Monarda didyma
14 Feb – 14 Mar
27 Apr
8-12 wk
9 May
22 Jun
Vid frost
4 Jun
12 Jun
4 wk after
Yarrow
Achillea millefolium
22 Feb – 8 Mar
11 Apr
6-8 wk
19 Apr
23 May
3 wk before
22 May
2 wk after
Safflower
Carthamus tinctorius
19 Apr
22 Jun
3 wk before
3 May
12 Jun
1 wk before
Iceland poppy
Papaver nudicaule
12 – 26 Feb
31 May
6-8 wk
9 Apr
12 Jul
4 wk before
26 Apr
2 Jul
2 wk before
Bishop's flower
Ammi majus
12 – 26 Apr
14 Jun
4-6 wk
24 May
12 Jul
2 wk after
22 May
2 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
11 – 25 Apr
10-12 wk
4 Jul
8 wk after
Sunflower
Helianthus annuus
6 – 13 Jun
21 Jun
3-4 wk
4 Jul
12 Jul
8 wk after
4 Jun
2 Jul
4 wk after
China aster
Callistephus chinensis
9 – 23 May
10 Jun
6-8 wk
4 Jul
22 Jul
8 wk after
19 Jun
12 Jul
6 wk after
Annual phlox
Phlox drummondii
24 Apr – 8 May
2 Jun
6-8 wk
19 Jun
14 Jul
6 wk after
19 Jun
4 Jul
6 wk after
Hollyhock
Alcea rosea
22 Feb – 8 Mar
6-8 wk
19 Apr
3 wk before
22 May
2 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
27 Apr
8-12 wk
29 May
22 Jun
3 wk after
4 Jun
12 Jun
4 wk after
African marigold
Tagetes erecta
9 – 23 May
2 Jun
6-8 wk
4 Jul
14 Jul
8 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
31 May
6-8 wk
10 Jun
12 Jul
5 wk after
19 Jun
2 Jul
6 wk after
Wood sage
Salvia nemorosa
9 – 23 Mar
17 Apr
8-10 wk
18 May
12 Jun
1 wk after
4 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
6 May – 3 Jun
6 May
6-10 wk
15 Jul
10 wk after
California goldenpoppy
Eschscholzia californica
3 May
12 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
25 Apr – 9 May
17 May
8-10 wk
4 Jul
12 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
22 Feb – 8 Mar
11 May
6-8 wk
19 Apr
22 Jun
3 wk before
22 May
12 Jun
2 wk after