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0.7°
Near frost tonight at 04:00. Bring in or cover sensitive plants
-0.3°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Normal year · 20 years of data
Frost-free season 155 days 8 May – 10 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)
20 Mar – 3 Apr
18 Jun
5-7 wk
8 May
23 Jul
0 wk
1 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Mar – 10 Apr
30 Jun
4-6 wk
8 May
28 Jul
0 wk
1 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
4 Mar – 1 Apr
16 Apr
8-12 wk
27 May
11 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Mar – 3 Apr
13 Jun
5-7 wk
8 May
18 Jul
0 wk
26 Apr
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
16 – 23 May
10 Jun
3-4 wk
13 Jun
1 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 May
9 Jun
4-5 wk
13 Jun
7 Jul
5 wk after
13 Jun
27 Jun
5 wk after
Butter bean
Phaseolus lunatus
Greenhouse
23 – 30 May
1 Jun
3-4 wk
20 Jun
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
3 Apr
8-12 wk
8 May
29 May
0 wk
18 May
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 May
18 Jun
1 wk before
1 May
8 Jun
1 wk before
Maize
Zea mays
29 Apr – 6 May
31 May
3-4 wk
27 May
21 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 Apr
7 Jul
3-4 wk
14 May
28 Jul
1 wk after
18 May
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
8 Jul
0 wk
26 Apr
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Mar – 3 Apr
13 Jun
5-7 wk
8 May
18 Jul
0 wk
26 Apr
8 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Apr
10 Jun
4-6 wk
13 May
8 Jul
1 wk after
13 May
28 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Mar – 3 Apr
23 Jun
5-7 wk
8 May
28 Jul
0 wk
1 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
16 – 23 May
27 Jun
3-4 wk
13 Jun
18 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 Apr
23 Jun
3-4 wk
14 May
14 Jul
1 wk after
18 May
4 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Mar – 10 Apr
25 Jun
4-6 wk
8 May
23 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 Apr
12 Jul
3-4 wk
8 May
2 Aug
0 wk
1 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
25 Jun
4-6 wk
8 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Mar – 12 Apr
4 Jun
2-4 wk
26 Apr
18 Jun
2 wk before
26 Apr
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
1 May
18 Jun
1 wk before
1 May
8 Jun
1 wk before
Spinach
Spinacia oleracea
10 – 17 Apr
27 Jul
3-4 wk
8 May
17 Aug
0 wk
20 Apr
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
10 wk after
Garden tomato
Solanum lycopersicum
1 – 15 Apr
10 May
6-8 wk
27 May
21 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
29 Apr – 13 May
29 Jun
2-4 wk
27 May
13 Jul
3 wk after
13 Jun
3 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Mar – 10 Apr
25 Jun
4-6 wk
8 May
23 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 Apr
27 Jun
3-4 wk
8 May
18 Jul
0 wk
1 May
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
2 – 16 May
5 Jun
4-6 wk
13 Jun
3 Jul
5 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
23 May
8-10 wk
8 May
18 Jul
0 wk
29 May
8 Jul
3 wk after
Dill
Anethum graveolens
1 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
13 – 27 Mar
6 Jun
6-8 wk
8 May
18 Jul
0 wk
1 May
8 Jul
1 wk before
Spearmint
Mentha spicata
13 Feb – 13 Mar
23 May
8-12 wk
8 May
18 Jul
0 wk
29 May
8 Jul
3 wk after
Coriander
Coriandrum sativum
8 May
17 Aug
0 wk
18 May
7 Aug
1 wk after
Garden sage
Salvia officinalis
5 – 19 Mar
8 May
8-10 wk
14 May
3 Jul
1 wk after
Common thyme
Thymus vulgaris
27 Feb – 13 Mar
13 May
8-10 wk
8 May
8 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Mar
27 May
6-8 wk
8 May
8 Jul
0 wk
29 May
28 Jun
3 wk after
Parsley
Petroselinum crispum
13 – 27 Mar
27 May
6-8 wk
8 May
8 Jul
0 wk
1 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
5 Feb – 5 Mar
9 Apr
10-14 wk
14 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
16 – 23 May
12 Jun
3-4 wk
13 Jun
3 Jul
5 wk after
Cornflower
Centaurea cyanus
8 May
18 Jul
0 wk
1 May
8 Jul
1 wk before
Statice
Limonium sinuatum
18 Mar – 1 Apr
10 May
8-10 wk
27 May
5 Jul
3 wk after
Sweet William
Dianthus barbatus
13 – 27 Mar
6-8 wk
8 May
0 wk
13 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 Apr
24 May
6-8 wk
27 May
5 Jul
3 wk after
16 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
27 Mar – 10 Apr
27 May
6-8 wk
22 May
8 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 Apr – 1 May
10 Jun
4-8 wk
29 May
8 Jul
3 wk after
29 May
28 Jun
3 wk after
Foxglove
Digitalis purpurea
27 Feb – 13 Mar
8-10 wk
8 May
0 wk
18 May
1 wk after
Busy lizzie
Impatiens walleriana
21 Mar – 18 Apr
2 Jul
8-12 wk
13 Jun
27 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 Apr
3 Jun
6-8 wk
27 May
15 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
2 – 16 May
6 May
4-6 wk
13 Jun
5 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Mar
23 Apr
8-10 wk
14 May
18 Jun
1 wk after
Love in a mist
Nigella damascena
8 May
3 Jul
0 wk
1 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
1 – 15 Apr
14 May
6-8 wk
27 May
25 Jun
3 wk after
16 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
19 Feb – 19 Mar
23 Apr
8-12 wk
14 May
18 Jun
1 wk after
Cardoon
Cynara cardunculus
4 Mar – 1 Apr
24 Mar
8-12 wk
27 May
3 wk after
Regal-foxtail
Ptilotus nobilis
21 Mar – 18 Apr
28 Apr
8-12 wk
13 Jun
23 Jun
5 wk after
Globe amaranth
Gomphrena globosa
18 Apr – 2 May
12 May
6-8 wk
13 Jun
23 Jun
5 wk after
Corn poppy
Papaver rhoeas
8 May
18 Jul
0 wk
1 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
13 Feb – 13 Mar
13 May
8-12 wk
8 May
8 Jul
0 wk
13 May
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
4 – 18 Apr
20 May
8-10 wk
13 Jun
15 Jul
5 wk after
Sweet pea
Lathyrus odoratus
13 Mar – 3 Apr
3 Jun
5-8 wk
8 May
8 Jul
0 wk
Stock
Matthiola incana
13 – 27 Mar
6 Jun
6-8 wk
8 May
18 Jul
0 wk
18 May
8 Jul
1 wk after
Wormwood
Artemisia absinthium
13 – 27 Mar
7 May
6-8 wk
8 May
18 Jun
0 wk
18 May
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
2 – 16 May
21 May
4-6 wk
13 Jun
18 Jun
5 wk after
Garden pansy
Viola × wittrockiana
27 Feb – 13 Mar
23 May
8-10 wk
8 May
18 Jul
0 wk
13 May
8 Jul
1 wk after
Petunia
Petunia
4 Mar – 1 Apr
10 May
8-12 wk
27 May
5 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Mar – 2 Apr
7 May
6-8 wk
14 May
18 Jun
1 wk after
13 Jun
5 wk after
Common zinnia
Zinnia elegans
15 – 29 Apr
14 Jun
4-6 wk
27 May
12 Jul
3 wk after
Common morning glory
Ipomoea purpurea
9 – 23 May
12 Jun
3-5 wk
13 Jun
3 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 Apr
10 Jun
4-6 wk
27 May
8 Jul
3 wk after
13 Jun
28 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
2 – 30 Apr
28 May
8-12 wk
25 Jun
23 Jul
7 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
23 Apr
8-12 wk
8 May
18 Jun
0 wk
29 May
8 Jun
3 wk after
Yarrow
Achillea millefolium
13 – 27 Mar
7 Apr
6-8 wk
8 May
19 May
0 wk
18 May
1 wk after
Safflower
Carthamus tinctorius
8 May
18 Jun
0 wk
1 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Mar
27 May
6-8 wk
8 May
8 Jul
0 wk
30 Mar
28 Jun
6 wk before
Bishop's flower
Ammi majus
27 Mar – 10 Apr
10 Jun
4-6 wk
8 May
8 Jul
0 wk
18 May
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
21 Mar – 4 Apr
3 Apr
10-12 wk
13 Jun
5 wk after
Sunflower
Helianthus annuus
29 Apr – 6 May
17 Jun
3-4 wk
27 May
8 Jul
3 wk after
29 May
28 Jun
3 wk after
China aster
Callistephus chinensis
1 – 15 Apr
6 Jun
6-8 wk
27 May
18 Jul
3 wk after
13 Jun
8 Jul
5 wk after
Annual phlox
Phlox drummondii
24 Mar – 7 Apr
3 Jun
6-8 wk
19 May
15 Jul
2 wk after
13 Jun
5 Jul
5 wk after
Hollyhock
Alcea rosea
13 – 27 Mar
6-8 wk
8 May
0 wk
18 May
1 wk after
Alpine delphinium
Delphinium elatum
13 Feb – 13 Mar
23 Apr
8-12 wk
8 May
18 Jun
0 wk
29 May
8 Jun
3 wk after
African marigold
Tagetes erecta
1 – 15 Apr
3 Jun
6-8 wk
27 May
15 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
19 Mar – 2 Apr
27 May
6-8 wk
14 May
8 Jul
1 wk after
13 Jun
28 Jun
5 wk after
Wood sage
Salvia nemorosa
27 Feb – 13 Mar
13 Apr
8-10 wk
8 May
8 Jun
0 wk
29 May
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
4 Apr – 2 May
22 May
6-10 wk
13 Jun
3 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
8 May
18 Jul
0 wk
1 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
18 Mar – 1 Apr
12 May
8-10 wk
27 May
7 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Mar
7 May
6-8 wk
8 May
18 Jun
0 wk
18 May
8 Jun
1 wk after