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-4.1°
Moderate frost tonight at 05:00. Frost temperatures between 20:00 – tomorrow 23:00. Bring in or cover sensitive plants
0.9°
Last 24h: Near frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 3 of 4 years · 20 years of data
Frost-free season 123 days 15 May – 15 Sep
Probability that frost is over

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

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

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