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-1.5°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 03:00 – 07:00. Bring in or cover sensitive plants
-1.5°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Normal year · 20 years of data
Frost-free season 158 days 8 May – 13 Oct

Vegetables

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