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No frost in sight Last frost normally in 7 days (2 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 2 May Frost 3 of 4 years · 20 years of data
Frost-free season 150 days 2 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
20 Mar – 3 Apr
5-7 wk
8 May
1 wk after
3 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
25 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
20 Apr
2 wk before
Cucumber
Cucumis sativus
Season too short
9 – 16 May
3-4 wk
6 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
2 – 9 May
4-5 wk
6 Jun
5 wk after
12 May
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
10 – 17 May
3-4 wk
7 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Feb – 7 Mar
8-12 wk
2 May
Vid frost
12 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
1 wk after
12 May
1 wk after
Sweetcorn
Zea mays
Fleece
20 – 27 May
3-4 wk
17 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
3-4 wk
31 May
4 wk after
12 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
20 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
20 Apr
2 wk before
Potato
Solanum tuberosum
26 Mar – 9 Apr
4-6 wk
7 May
1 wk after
7 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Feb – 3 Mar
5-7 wk
7 Apr
4 wk before
25 Apr
1 wk before
Pumpkin
Cucurbita pepo
Season too short
9 – 16 May
3-4 wk
6 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 May
3-4 wk
31 May
4 wk after
12 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
Lettuce
Lactuca sativa
28 Mar – 4 Apr
3-4 wk
25 Apr
1 wk before
25 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Mar
4-6 wk
25 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Mar – 6 Apr
2-4 wk
20 Apr
2 wk before
20 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 Apr
1 wk before
25 Apr
1 wk before
Spinach
Spinacia oleracea
20 – 27 Mar
3-4 wk
17 Apr
2 wk before
14 Apr
3 wk before
Sweet potato
Ipomoea batatas
29 May – 12 Jun
4-6 wk
10 Jul
10 wk after
Tomato
Solanum lycopersicum
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
26 Apr – 10 May
2-4 wk
24 May
3 wk after
12 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
2 wk after
Pea
Pisum sativum
20 – 27 Mar
3-4 wk
17 Apr
2 wk before
25 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
6 – 20 May
4-6 wk
17 Jun
7 wk after
Lemon balm
Melissa officinalis
21 Feb – 7 Mar
8-10 wk
2 May
Vid frost
23 May
3 wk after
Dill
Anethum graveolens
25 Apr
1 wk before
Chives
Allium schoenoprasum
10 – 24 Feb
6-8 wk
7 Apr
4 wk before
25 Apr
1 wk before
Spearmint
Mentha spicata
23 Jan – 20 Feb
8-12 wk
17 Apr
2 wk before
23 May
3 wk after
Coriander
Coriandrum sativum
12 May
1 wk after
Sage
Salvia officinalis
22 Mar – 5 Apr
8-10 wk
31 May
4 wk after
Thyme
Thymus vulgaris
7 – 21 Mar
8-10 wk
16 May
2 wk after
Oregano
Origanum vulgare
13 – 27 Mar
6-8 wk
8 May
1 wk after
23 May
3 wk after
Parsley
Petroselinum crispum
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
25 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
7 Feb – 7 Mar
10-14 wk
16 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
21 – 28 May
3-4 wk
18 Jun
7 wk after
Cornflower
Centaurea cyanus
17 Apr
2 wk before
25 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
15 – 29 Mar
8-10 wk
24 May
3 wk after
Sweet William
Dianthus barbatus
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
7 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
30 May
4 wk after
Dahlia
Dahlia × pinnata
Greenhouse
21 Mar – 4 Apr
6-8 wk
16 May
2 wk after
Dahlia (tubers)
Dahlia × pinnata
28 Mar – 25 Apr
4-8 wk
23 May
3 wk after
23 May
3 wk after
Foxglove
Digitalis purpurea
6 – 20 Feb
8-10 wk
17 Apr
2 wk before
12 May
1 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
14 Mar – 11 Apr
8-12 wk
6 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
7 – 21 Mar
8-10 wk
16 May
2 wk after
Love in a mist
Nigella damascena
25 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
30 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
21 Feb – 21 Mar
8-12 wk
16 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
1 – 29 Mar
8-12 wk
24 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
11 – 25 Apr
6-8 wk
6 Jun
5 wk after
Corn poppy
Papaver rhoeas
25 Apr
1 wk before
Snapdragon
Antirrhinum majus
31 Jan – 28 Feb
8-12 wk
25 Apr
1 wk before
7 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
28 Mar – 11 Apr
8-10 wk
6 Jun
5 wk after
Sweet pea
Lathyrus odoratus
20 Feb – 13 Mar
5-8 wk
17 Apr
2 wk before
Stock
Matthiola incana
28 Feb – 14 Mar
6-8 wk
25 Apr
1 wk before
12 May
1 wk after
Wormwood
Artemisia absinthium
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
12 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
25 Apr – 9 May
4-6 wk
6 Jun
5 wk after
Pansy
Viola × wittrockiana
27 Jan – 10 Feb
8-10 wk
7 Apr
4 wk before
7 May
1 wk after
Petunia
Petunia
Greenhouse
1 – 29 Mar
8-12 wk
24 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
21 Mar – 4 Apr
6-8 wk
16 May
2 wk after
23 May
3 wk after
Zinnia
Zinnia elegans
Greenhouse
12 – 26 Apr
4-6 wk
24 May
3 wk after
Common morning glory
Ipomoea purpurea
Season too short
2 – 16 May
3-5 wk
6 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
12 – 26 Apr
4-6 wk
24 May
3 wk after
12 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
7 wk after
Bee balm
Monarda didyma
7 Feb – 7 Mar
8-12 wk
2 May
Vid frost
23 May
3 wk after
Yarrow
Achillea millefolium
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
12 May
1 wk after
Safflower
Carthamus tinctorius
17 Apr
2 wk before
25 Apr
1 wk before
Iceland poppy
Papaver nudicaule
10 – 24 Feb
6-8 wk
7 Apr
4 wk before
20 Apr
2 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
4-6 wk
12 May
1 wk after
12 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
14 – 28 Mar
10-12 wk
6 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
26 Apr – 3 May
3-4 wk
24 May
3 wk after
1 May
China aster
Callistephus chinensis
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
12 May
1 wk after
Annual phlox
Phlox drummondii
Fleece
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
23 May
3 wk after
Hollyhock
Alcea rosea
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
12 May
1 wk after
Delphinium
Delphinium elatum
21 Feb – 21 Mar
8-12 wk
16 May
2 wk after
23 May
3 wk after
African marigold
Tagetes erecta
Greenhouse
29 Mar – 12 Apr
6-8 wk
24 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
6-8 wk
31 May
4 wk after
7 Jun
5 wk after
Woodland sage
Salvia nemorosa
27 Feb – 13 Mar
8-10 wk
8 May
1 wk after
23 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
28 Mar – 25 Apr
6-10 wk
6 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
25 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
15 – 29 Mar
8-10 wk
24 May
3 wk after
Water forget-me-not
Myosotis scorpioides
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
12 May
1 wk after
Current date Soon Date passed