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No frost in sight Last frost normally in 5 days (6 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 3 of 4 years · 20 years of data
Frost-free season 146 days 6 May – 29 Sep
Probability that frost is over

25% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Greenhouse
24 Mar – 7 Apr
5-7 wk
12 May
1 wk after
7 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
8 – 22 Apr
4-6 wk
20 May
2 wk after
29 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
21 Feb – 7 Mar
5-7 wk
11 Apr
4 wk before
24 Apr
2 wk before
Cucumber
Cucumis sativus
Greenhouse
13 – 20 May
3-4 wk
10 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
6 – 13 May
4-5 wk
10 Jun
5 wk after
16 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
14 – 21 May
3-4 wk
11 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Feb – 11 Mar
8-12 wk
6 May
Vid frost
16 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 May
1 wk after
16 May
1 wk after
Sweetcorn
Zea mays
Fleece
24 – 31 May
3-4 wk
21 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
3-4 wk
4 Jun
4 wk after
16 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
21 Feb – 7 Mar
5-7 wk
11 Apr
4 wk before
24 Apr
2 wk before
Potato
Solanum tuberosum
30 Mar – 13 Apr
4-6 wk
11 May
1 wk after
11 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Feb – 7 Mar
5-7 wk
11 Apr
4 wk before
29 Apr
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
13 – 20 May
3-4 wk
10 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
3-4 wk
4 Jun
4 wk after
16 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
8 – 22 Apr
4-6 wk
20 May
2 wk after
Lettuce
Lactuca sativa
1 – 8 Apr
3-4 wk
29 Apr
1 wk before
29 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Mar – 1 Apr
4-6 wk
29 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Mar – 10 Apr
2-4 wk
24 Apr
2 wk before
24 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
1 wk before
29 Apr
1 wk before
Spinach
Spinacia oleracea
24 – 31 Mar
3-4 wk
21 Apr
2 wk before
18 Apr
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Tomato
Solanum lycopersicum
Greenhouse
2 – 16 Apr
6-8 wk
28 May
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
13 – 27 May
2-4 wk
10 Jun
5 wk after
27 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
8 – 22 Apr
4-6 wk
20 May
2 wk after
Pea
Pisum sativum
24 – 31 Mar
3-4 wk
21 Apr
2 wk before
29 Apr
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
10 – 24 May
4-6 wk
21 Jun
7 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
8-10 wk
6 May
Vid frost
27 May
3 wk after
Dill
Anethum graveolens
29 Apr
1 wk before
Chives
Allium schoenoprasum
14 – 28 Feb
6-8 wk
11 Apr
4 wk before
29 Apr
1 wk before
Spearmint
Mentha spicata
27 Jan – 24 Feb
8-12 wk
21 Apr
2 wk before
27 May
3 wk after
Coriander
Coriandrum sativum
16 May
1 wk after
Sage
Salvia officinalis
26 Mar – 9 Apr
8-10 wk
4 Jun
4 wk after
Thyme
Thymus vulgaris
11 – 25 Mar
8-10 wk
20 May
2 wk after
Oregano
Origanum vulgare
17 – 31 Mar
6-8 wk
12 May
1 wk after
27 May
3 wk after
Parsley
Petroselinum crispum
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
29 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
11 Feb – 11 Mar
10-14 wk
20 May
2 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Cornflower
Centaurea cyanus
21 Apr
2 wk before
29 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
19 Mar – 2 Apr
8-10 wk
28 May
3 wk after
Sweet William
Dianthus barbatus
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
11 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
2 – 16 Apr
6-8 wk
28 May
3 wk after
3 Jun
4 wk after
Dahlia
Dahlia × pinnata
Greenhouse
25 Mar – 8 Apr
6-8 wk
20 May
2 wk after
Dahlia (tubers)
Dahlia × pinnata
1 – 29 Apr
4-8 wk
27 May
3 wk after
27 May
3 wk after
Foxglove
Digitalis purpurea
10 – 24 Feb
8-10 wk
21 Apr
2 wk before
16 May
1 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
15 – 29 Apr
6-8 wk
10 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
11 – 25 Mar
8-10 wk
20 May
2 wk after
Love in a mist
Nigella damascena
29 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Season too short
2 – 16 Apr
6-8 wk
28 May
3 wk after
3 Jun
4 wk after
Tall verbena
Verbena bonariensis
Fleece
25 Feb – 25 Mar
8-12 wk
20 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
5 Mar – 2 Apr
8-12 wk
28 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
15 – 29 Apr
6-8 wk
10 Jun
5 wk after
Corn poppy
Papaver rhoeas
29 Apr
1 wk before
Snapdragon
Antirrhinum majus
4 Feb – 4 Mar
8-12 wk
29 Apr
1 wk before
11 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
1 – 15 Apr
8-10 wk
10 Jun
5 wk after
Sweet pea
Lathyrus odoratus
24 Feb – 17 Mar
5-8 wk
21 Apr
2 wk before
Stock
Matthiola incana
4 – 18 Mar
6-8 wk
29 Apr
1 wk before
16 May
1 wk after
Wormwood
Artemisia absinthium
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
16 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
29 Apr – 13 May
4-6 wk
10 Jun
5 wk after
Pansy
Viola × wittrockiana
31 Jan – 14 Feb
8-10 wk
11 Apr
4 wk before
11 May
1 wk after
Petunia
Petunia
Greenhouse
5 Mar – 2 Apr
8-12 wk
28 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
2 wk after
27 May
3 wk after
Zinnia
Zinnia elegans
Greenhouse
16 – 30 Apr
4-6 wk
28 May
3 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
6 – 20 May
3-5 wk
10 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
16 – 30 Apr
4-6 wk
28 May
3 wk after
16 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
7 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
8-12 wk
6 May
Vid frost
27 May
3 wk after
Yarrow
Achillea millefolium
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
16 May
1 wk after
Safflower
Carthamus tinctorius
21 Apr
2 wk before
29 Apr
1 wk before
Iceland poppy
Papaver nudicaule
14 – 28 Feb
6-8 wk
11 Apr
4 wk before
24 Apr
2 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
4-6 wk
16 May
1 wk after
16 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
18 Mar – 1 Apr
10-12 wk
10 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
30 Apr – 7 May
3-4 wk
28 May
3 wk after
5 May
China aster
Callistephus chinensis
Season too short
2 – 16 Apr
6-8 wk
28 May
3 wk after
16 May
1 wk after
Annual phlox
Phlox drummondii
15 – 29 Apr
6-8 wk
10 Jun
5 wk after
11 Jun
5 wk after
Hollyhock
Alcea rosea
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
16 May
1 wk after
Delphinium
Delphinium elatum
25 Feb – 25 Mar
8-12 wk
20 May
2 wk after
27 May
3 wk after
African marigold
Tagetes erecta
Greenhouse
2 – 16 Apr
6-8 wk
28 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
6-8 wk
4 Jun
4 wk after
11 Jun
5 wk after
Woodland sage
Salvia nemorosa
3 – 17 Mar
8-10 wk
12 May
1 wk after
27 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
1 – 29 Apr
6-10 wk
10 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
29 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
19 Mar – 2 Apr
8-10 wk
28 May
3 wk after
Water forget-me-not
Myosotis scorpioides
24 Feb – 10 Mar
6-8 wk
21 Apr
2 wk before
16 May
1 wk after
Current date Soon Date passed