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Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 29 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 158 days 29 Apr – 4 Oct
Probability that frost is over

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