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-5.1°
Moderate frost tomorrow morning at 06:00. Frost temperatures between 21:00 – tomorrow 23:00. Bring in or cover sensitive plants
-3.0°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 14 May Frost 1 of 4 years · 20 years of data
Frost-free season 144 days 14 May – 5 Oct
Probability that frost is over

75% = 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
31 Mar – 14 Apr
5-7 wk
19 May
1 wk after
2 May
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
19 Apr – 3 May
4-6 wk
31 May
3 wk after
10 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
28 Mar – 25 Apr
8-12 wk
20 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
2 – 16 Mar
5-7 wk
20 Apr
3 wk before
6 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
23 – 30 May
3-4 wk
20 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
16 – 23 May
4-5 wk
20 Jun
5 wk after
4 Jun
3 wk after
Butter bean
Phaseolus lunatus
Greenhouse
4 – 11 Jun
3-4 wk
2 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Feb – 19 Mar
8-12 wk
14 May
Vid frost
27 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
3 wk after
Sweetcorn
Zea mays
Fleece
14 – 21 Jun
3-4 wk
12 Jul
8 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
3-4 wk
13 Jun
5 wk after
27 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
2 – 16 Mar
5-7 wk
20 Apr
3 wk before
6 May
Vid frost
Potato
Solanum tuberosum
20 May – 3 Jun
4-6 wk
1 Jul
7 wk after
22 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
2 – 16 Mar
5-7 wk
20 Apr
3 wk before
10 May
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
23 – 30 May
3-4 wk
20 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
3-4 wk
13 Jun
5 wk after
27 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Apr – 3 May
4-6 wk
31 May
3 wk after
Lettuce
Lactuca sativa
9 – 16 Apr
3-4 wk
7 May
1 wk before
10 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Apr
2-4 wk
29 Apr
2 wk before
6 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 May
1 wk after
Spinach
Spinacia oleracea
1 – 8 Apr
3-4 wk
29 Apr
2 wk before
1 May
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jun
4-6 wk
13 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
23 May – 6 Jun
2-4 wk
20 Jun
5 wk after
18 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Apr – 3 May
4-6 wk
31 May
3 wk after
Pea
Pisum sativum
1 – 8 Apr
3-4 wk
29 Apr
2 wk before
10 May
1 wk after
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
31 May – 14 Jun
4-6 wk
12 Jul
8 wk after
Lemon balm
Melissa officinalis
5 – 19 Mar
8-10 wk
14 May
Vid frost
8 Jun
5 wk after
Dill
Anethum graveolens
10 May
1 wk after
Chives
Allium schoenoprasum
23 Feb – 9 Mar
6-8 wk
20 Apr
3 wk before
10 May
1 wk after
Spearmint
Mentha spicata
4 Feb – 4 Mar
8-12 wk
29 Apr
2 wk before
8 Jun
5 wk after
Coriander
Coriandrum sativum
27 May
3 wk after
Sage
Salvia officinalis
Fleece
24 Mar – 7 Apr
8-10 wk
2 Jun
3 wk after
Thyme
Thymus vulgaris
22 Mar – 5 Apr
8-10 wk
31 May
3 wk after
Oregano
Origanum vulgare
25 Mar – 8 Apr
6-8 wk
20 May
1 wk after
8 Jun
5 wk after
Parsley
Petroselinum crispum
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
10 May
1 wk after
Rosemary
Salvia rosmarinus
Greenhouse
10 Feb – 10 Mar
10-14 wk
19 May
1 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
1 – 8 Jun
3-4 wk
29 Jun
7 wk after
Cornflower
Centaurea cyanus
29 Apr
2 wk before
10 May
1 wk after
Statice
Limonium sinuatum
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
4 wk after
Sweet William
Dianthus barbatus
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
22 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
4 wk after
24 Jun
6 wk after
Dahlia
Dahlia × pinnata
Greenhouse
7 – 21 Apr
6-8 wk
2 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
1 – 29 May
4-8 wk
26 Jun
6 wk after
8 Jun
5 wk after
Foxglove
Digitalis purpurea
18 Feb – 4 Mar
8-10 wk
29 Apr
2 wk before
27 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
6 Apr – 4 May
8-12 wk
29 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
25 Apr – 9 May
6-8 wk
20 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 May – 1 Jun
4-6 wk
29 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
10 – 24 Mar
8-10 wk
19 May
1 wk after
Love in a mist
Nigella damascena
10 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
4 wk after
24 Jun
6 wk after
Tall verbena
Verbena bonariensis
Greenhouse
24 Feb – 24 Mar
8-12 wk
19 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
28 Mar – 25 Apr
8-12 wk
20 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
25 Apr – 9 May
6-8 wk
20 Jun
5 wk after
Corn poppy
Papaver rhoeas
10 May
1 wk after
Snapdragon
Antirrhinum majus
12 Feb – 12 Mar
8-12 wk
7 May
1 wk before
22 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
11 – 25 Apr
8-10 wk
20 Jun
5 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Mar
5-8 wk
29 Apr
2 wk before
Stock
Matthiola incana
12 – 26 Mar
6-8 wk
7 May
1 wk before
27 May
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
27 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
9 – 23 May
4-6 wk
20 Jun
5 wk after
Pansy
Viola × wittrockiana
9 – 23 Feb
8-10 wk
20 Apr
3 wk before
22 May
2 wk after
Petunia
Petunia
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
4 Jun
3 wk after
Zinnia
Zinnia elegans
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
16 – 30 May
3-5 wk
20 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
4 wk after
4 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
6 Apr – 4 May
8-12 wk
29 Jun
7 wk after
Bee balm
Monarda didyma
19 Feb – 19 Mar
8-12 wk
14 May
Vid frost
8 Jun
5 wk after
Yarrow
Achillea millefolium
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
27 May
3 wk after
Safflower
Carthamus tinctorius
29 Apr
2 wk before
10 May
1 wk after
Iceland poppy
Papaver nudicaule
23 Feb – 9 Mar
6-8 wk
20 Apr
3 wk before
6 May
Vid frost
Bishop's flower
Ammi majus
13 – 27 Apr
4-6 wk
25 May
1 wk after
27 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
28 Mar – 11 Apr
10-12 wk
20 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
11 – 18 May
3-4 wk
8 Jun
4 wk after
24 May
1 wk after
China aster
Callistephus chinensis
Season too short
13 – 27 Apr
6-8 wk
8 Jun
4 wk after
4 Jun
3 wk after
Annual phlox
Phlox drummondii
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
24 Jun
7 wk after
Hollyhock
Alcea rosea
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
27 May
3 wk after
Delphinium
Delphinium elatum
8 Mar – 5 Apr
8-12 wk
31 May
3 wk after
8 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
7 – 21 Apr
6-8 wk
2 Jun
3 wk after
18 Jun
5 wk after
Woodland sage
Salvia nemorosa
11 – 25 Mar
8-10 wk
20 May
1 wk after
8 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
11 Apr – 9 May
6-10 wk
20 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
10 May
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Mar
6-8 wk
29 Apr
2 wk before
27 May
3 wk after
Current date Soon Date passed