Create your calendar
-2.8°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 02:00 – 09:00. Bring in or cover sensitive plants
0.2°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 18 May Frost 1 of 10 years · 20 years of data
Frost-free season 168 days 18 May – 2 Nov
Probability that frost is over

90% = 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)
Fleece
18 Apr – 2 May
5-7 wk
6 Jun
3 wk after
14 May
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
23 Apr – 7 May
4-6 wk
4 Jun
3 wk after
14 May
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Mar
5-7 wk
24 Apr
3 wk before
10 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
20 – 27 May
4-5 wk
24 Jun
5 wk after
8 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
23 Feb – 23 Mar
8-12 wk
18 May
Vid frost
31 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
31 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
31 May – 7 Jun
3-4 wk
28 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 May
3-4 wk
17 Jun
5 wk after
31 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Mar
5-7 wk
24 Apr
3 wk before
10 May
Vid frost
Potato
Solanum tuberosum
24 May – 7 Jun
4-6 wk
5 Jul
7 wk after
26 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Mar
5-7 wk
24 Apr
3 wk before
14 May
1 wk after
Pumpkin
Cucurbita pepo
Fleece
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
20 – 27 May
3-4 wk
17 Jun
5 wk after
31 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
23 Apr – 7 May
4-6 wk
4 Jun
3 wk after
Lettuce
Lactuca sativa
13 – 20 Apr
3-4 wk
11 May
1 wk before
14 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Mar – 13 Apr
4-6 wk
11 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 Apr
2-4 wk
3 May
2 wk before
10 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
14 May
1 wk after
Spinach
Spinacia oleracea
5 – 12 Apr
3-4 wk
3 May
2 wk before
5 May
1 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
8 wk after
Tomato
Solanum lycopersicum
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
27 May – 10 Jun
2-4 wk
24 Jun
5 wk after
22 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
23 Apr – 7 May
4-6 wk
4 Jun
3 wk after
Pea
Pisum sativum
5 – 12 Apr
3-4 wk
3 May
2 wk before
14 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
Greenhouse
17 – 31 May
4-6 wk
28 Jun
6 wk after
Lemon balm
Melissa officinalis
9 – 23 Mar
8-10 wk
18 May
Vid frost
12 Jun
5 wk after
Dill
Anethum graveolens
14 May
1 wk after
Chives
Allium schoenoprasum
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
14 May
1 wk after
Spearmint
Mentha spicata
8 Feb – 8 Mar
8-12 wk
3 May
2 wk before
12 Jun
5 wk after
Coriander
Coriandrum sativum
31 May
3 wk after
Sage
Salvia officinalis
8 – 22 Apr
8-10 wk
17 Jun
5 wk after
Thyme
Thymus vulgaris
26 Mar – 9 Apr
8-10 wk
4 Jun
3 wk after
Oregano
Origanum vulgare
29 Mar – 12 Apr
6-8 wk
24 May
1 wk after
12 Jun
5 wk after
Parsley
Petroselinum crispum
8 – 22 Mar
6-8 wk
3 May
2 wk before
14 May
1 wk after
Rosemary
Salvia rosmarinus
Fleece
28 Feb – 28 Mar
10-14 wk
6 Jun
3 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
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Cornflower
Centaurea cyanus
3 May
2 wk before
14 May
1 wk after
Statice
Limonium sinuatum
Fleece
15 – 29 Apr
8-10 wk
24 Jun
5 wk after
Sweet William
Dianthus barbatus
8 – 22 Mar
6-8 wk
3 May
2 wk before
26 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
16 Jul
8 wk after
Dahlia
Dahlia × pinnata
Fleece
24 Apr – 8 May
6-8 wk
19 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
5 May – 2 Jun
4-8 wk
30 Jun
6 wk after
12 Jun
5 wk after
Foxglove
Digitalis purpurea
22 Feb – 8 Mar
8-10 wk
3 May
2 wk before
31 May
3 wk after
Busy lizzie
Impatiens walleriana
20 Apr – 18 May
8-12 wk
13 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
28 Mar – 11 Apr
8-10 wk
6 Jun
3 wk after
Love in a mist
Nigella damascena
14 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
17 Apr – 1 May
6-8 wk
12 Jun
4 wk after
28 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
14 Mar – 11 Apr
8-12 wk
6 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
1 – 29 Apr
8-12 wk
24 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Corn poppy
Papaver rhoeas
14 May
1 wk after
Snapdragon
Antirrhinum majus
16 Feb – 16 Mar
8-12 wk
11 May
1 wk before
26 May
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
15 – 29 Apr
8-10 wk
24 Jun
5 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Mar
5-8 wk
3 May
2 wk before
Stock
Matthiola incana
16 – 30 Mar
6-8 wk
11 May
1 wk before
31 May
3 wk after
Wormwood
Artemisia absinthium
8 – 22 Mar
6-8 wk
3 May
2 wk before
31 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
13 – 27 May
4-6 wk
24 Jun
5 wk after
Pansy
Viola × wittrockiana
13 – 27 Feb
8-10 wk
24 Apr
3 wk before
26 May
2 wk after
Petunia
Petunia
Greenhouse
20 Mar – 17 Apr
8-12 wk
12 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
11 – 25 Apr
6-8 wk
6 Jun
3 wk after
22 Jun
5 wk after
Zinnia
Zinnia elegans
Fleece
13 – 27 May
4-6 wk
24 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
20 May – 3 Jun
3-5 wk
24 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
13 – 27 May
4-6 wk
24 Jun
5 wk after
22 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
10 Apr – 8 May
8-12 wk
3 Jul
7 wk after
Bee balm
Monarda didyma
23 Feb – 23 Mar
8-12 wk
18 May
Vid frost
12 Jun
5 wk after
Yarrow
Achillea millefolium
8 – 22 Mar
6-8 wk
3 May
2 wk before
31 May
3 wk after
Safflower
Carthamus tinctorius
3 May
2 wk before
14 May
1 wk after
Iceland poppy
Papaver nudicaule
27 Feb – 13 Mar
6-8 wk
24 Apr
3 wk before
10 May
Vid frost
Bishop's flower
Ammi majus
17 Apr – 1 May
4-6 wk
29 May
1 wk after
31 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
1 – 15 Apr
10-12 wk
24 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
15 – 22 May
3-4 wk
12 Jun
4 wk after
28 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
17 Apr – 1 May
6-8 wk
12 Jun
4 wk after
8 Jun
3 wk after
Annual phlox
Phlox drummondii
28 Apr – 12 May
6-8 wk
23 Jun
5 wk after
28 Jun
7 wk after
Hollyhock
Alcea rosea
8 – 22 Mar
6-8 wk
3 May
2 wk before
31 May
3 wk after
Delphinium
Delphinium elatum
12 Mar – 9 Apr
8-12 wk
4 Jun
3 wk after
12 Jun
5 wk after
African marigold
Tagetes erecta
Fleece
29 Apr – 13 May
6-8 wk
24 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
22 Apr – 6 May
6-8 wk
17 Jun
5 wk after
28 Jun
7 wk after
Woodland sage
Salvia nemorosa
15 – 29 Mar
8-10 wk
24 May
1 wk after
12 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
15 Apr – 13 May
6-10 wk
24 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
14 May
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
15 – 29 Apr
8-10 wk
24 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Mar
6-8 wk
3 May
2 wk before
31 May
3 wk after
Current date Soon Date passed