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No frost in sight Last frost normally in 1 days (3 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 3 May Frost 9 of 10 years · 20 years of data
Frost-free season 143 days 3 May – 23 Sep
Probability that frost is over

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