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-4.3°
Moderate frost tomorrow morning at 06:00. Frost temperatures between 23:00 – tomorrow 23:00. Bring in or cover sensitive plants
-1.6°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 10 years · 20 years of data
Frost-free season 139 days 30 May – 16 Oct
Probability that frost is over

90% = 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
16 – 30 Apr
5-7 wk
4 Jun
1 wk after
18 May
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 May
4-6 wk
16 Jun
3 wk after
26 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
13 Apr – 11 May
8-12 wk
6 Jul
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
18 Mar – 1 Apr
5-7 wk
6 May
3 wk before
22 May
Vid frost
Cucumber
Cucumis sativus
Greenhouse
8 – 15 Jun
3-4 wk
6 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
1 – 8 Jun
4-5 wk
6 Jul
5 wk after
20 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
20 – 27 Jun
3-4 wk
18 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
8-12 wk
30 May
Vid frost
12 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 Jun
3 wk after
Sweetcorn
Zea mays
Greenhouse
12 – 19 Jun
3-4 wk
10 Jul
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 Jun
3-4 wk
29 Jun
5 wk after
12 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
18 Mar – 1 Apr
5-7 wk
6 May
3 wk before
22 May
Vid frost
Potato
Solanum tuberosum
5 – 19 Jun
4-6 wk
17 Jul
7 wk after
7 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Mar – 1 Apr
5-7 wk
6 May
3 wk before
26 May
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
8 – 15 Jun
3-4 wk
6 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 Jun
3-4 wk
29 Jun
5 wk after
12 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 May
4-6 wk
16 Jun
3 wk after
Lettuce
Lactuca sativa
25 Apr – 2 May
3-4 wk
23 May
1 wk before
26 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Apr
4-6 wk
23 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 Apr – 1 May
2-4 wk
15 May
2 wk before
22 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 May
1 wk after
Spinach
Spinacia oleracea
17 – 24 Apr
3-4 wk
15 May
2 wk before
17 May
1 wk before
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
8 – 22 Jun
2-4 wk
6 Jul
5 wk after
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 May
4-6 wk
16 Jun
3 wk after
Pea
Pisum sativum
17 – 24 Apr
3-4 wk
15 May
2 wk before
26 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
29 May – 12 Jun
4-6 wk
10 Jul
6 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
8-10 wk
30 May
Vid frost
24 Jun
5 wk after
Dill
Anethum graveolens
26 May
1 wk after
Chives
Allium schoenoprasum
11 – 25 Mar
6-8 wk
6 May
3 wk before
26 May
1 wk after
Spearmint
Mentha spicata
20 Feb – 20 Mar
8-12 wk
15 May
2 wk before
24 Jun
5 wk after
Coriander
Coriandrum sativum
12 Jun
3 wk after
Sage
Salvia officinalis
Fleece
9 – 23 Apr
8-10 wk
18 Jun
3 wk after
Thyme
Thymus vulgaris
7 – 21 Apr
8-10 wk
16 Jun
3 wk after
Oregano
Origanum vulgare
10 – 24 Apr
6-8 wk
5 Jun
1 wk after
24 Jun
5 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
26 May
1 wk after
Rosemary
Salvia rosmarinus
Greenhouse
26 Feb – 26 Mar
10-14 wk
4 Jun
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
17 – 24 Jun
3-4 wk
15 Jul
7 wk after
Cornflower
Centaurea cyanus
15 May
2 wk before
26 May
1 wk after
Statice
Limonium sinuatum
Greenhouse
15 – 29 Apr
8-10 wk
24 Jun
4 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
7 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
10 Jul
6 wk after
Dahlia
Dahlia × pinnata
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
17 May – 14 Jun
4-8 wk
12 Jul
6 wk after
24 Jun
5 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
2 wk before
12 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
22 Apr – 20 May
8-12 wk
15 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
11 – 25 May
6-8 wk
6 Jul
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 Jun
4-6 wk
15 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
26 Mar – 9 Apr
8-10 wk
4 Jun
1 wk after
Love in a mist
Nigella damascena
26 May
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
10 Jul
6 wk after
Tall verbena
Verbena bonariensis
Greenhouse
12 Mar – 9 Apr
8-12 wk
4 Jun
1 wk after
Cardoon
Cynara cardunculus
Season too short
1 – 29 Apr
8-12 wk
24 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
13 Apr – 11 May
8-12 wk
6 Jul
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
11 – 25 May
6-8 wk
6 Jul
5 wk after
Corn poppy
Papaver rhoeas
26 May
1 wk after
Snapdragon
Antirrhinum majus
28 Feb – 28 Mar
8-12 wk
23 May
1 wk before
7 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
27 Apr – 11 May
8-10 wk
6 Jul
5 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
5-8 wk
15 May
2 wk before
Stock
Matthiola incana
28 Mar – 11 Apr
6-8 wk
23 May
1 wk before
12 Jun
3 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
12 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
25 May – 8 Jun
4-6 wk
6 Jul
5 wk after
Pansy
Viola × wittrockiana
25 Feb – 11 Mar
8-10 wk
6 May
3 wk before
7 Jun
2 wk after
Petunia
Petunia
Greenhouse
1 – 29 Apr
8-12 wk
24 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
9 – 23 Apr
6-8 wk
4 Jun
1 wk after
20 Jun
3 wk after
Zinnia
Zinnia elegans
Greenhouse
13 – 27 May
4-6 wk
24 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
1 – 15 Jun
3-5 wk
6 Jul
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
13 – 27 May
4-6 wk
24 Jun
4 wk after
20 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
22 Apr – 20 May
8-12 wk
15 Jul
7 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
8-12 wk
30 May
Vid frost
24 Jun
5 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
12 Jun
3 wk after
Safflower
Carthamus tinctorius
15 May
2 wk before
26 May
1 wk after
Iceland poppy
Papaver nudicaule
11 – 25 Mar
6-8 wk
6 May
3 wk before
22 May
Vid frost
Bishop's flower
Ammi majus
29 Apr – 13 May
4-6 wk
10 Jun
1 wk after
12 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
13 – 27 Apr
10-12 wk
6 Jul
5 wk after
Sunflower
Helianthus annuus
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
4 wk after
9 Jun
1 wk after
China aster
Callistephus chinensis
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
20 Jun
3 wk after
Annual phlox
Phlox drummondii
10 – 24 May
6-8 wk
5 Jul
5 wk after
10 Jul
7 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
12 Jun
3 wk after
Delphinium
Delphinium elatum
24 Mar – 21 Apr
8-12 wk
16 Jun
3 wk after
24 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
23 Apr – 7 May
6-8 wk
18 Jun
3 wk after
4 Jul
5 wk after
Woodland sage
Salvia nemorosa
27 Mar – 10 Apr
8-10 wk
5 Jun
1 wk after
24 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
27 Apr – 25 May
6-10 wk
6 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
26 May
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
15 – 29 Apr
8-10 wk
24 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
6-8 wk
15 May
2 wk before
12 Jun
3 wk after
Current date Soon Date passed