What to plant in September in Sarthe
In September in Sarthe: 21 plants to sow, 19 to plant out and 54 to harvest, plus feeds and treatments with doses.
This month's climate
16.7°Mean · 11.2–22.2 °C
51mm · 7.7 rain days
185.2h · Sun
Source: Météo-France climate normals for the Le Mans, 1991–2020 station, as published in its Wikipedia climate table.
Sow
21
- Lettuce
- Onion
- Carrot
- Spinach
- Swiss chard
- Leek
- Radish
- Dill
- Parsley
- Beetroot
- Rocket (arugula)
- Chicory greens
- Kohlrabi
- Turnip greens (grelos)
- Coriander (cilantro)
- Watercress
- Lamb's lettuce (corn salad)
- Turnip
- Chervil
- Carnation
- Lawn (tall fescue)
Dates are for growing outdoors. You can start seedlings earlier indoors or in a greenhouse, but plant them out only once the frosts are over.
Plant
19
- Lettuce
- Broccoli
- Cauliflower
- Globe artichoke
- Cabbage
- Kohlrabi
- Portuguese kale (couve-galega)
- Cavolo nero (Tuscan kale)
- Savoy cabbage
- Calla lily
- Bearded iris
- Marguerite daisy
- Cyclamen
- Chinese windmill palm
- Pansy
- Peony
- Daffodil
- Clematis
- Silver wattle (mimosa)
Dates are for growing outdoors. You can start seedlings earlier indoors or in a greenhouse, but plant them out only once the frosts are over.
Harvest
54
- Tomato
- Pepper
- Aubergine
- Courgette
- Cucumber
- Green bean
- Pumpkin
- Melon
- Watermelon
- Sweetcorn
- Okra
- Basil
- Spearmint
- Parsley
- Black-eyed pea
- Celery
- Amaranth greens
- Purslane
- Sage
- Lemon verbena
- Sweet marjoram
- Dry beans
- Piri-piri chilli
- Pennyroyal
- Chives
- Lemon balm
- Savory
- Sorrel
- Tarragon
- Fig tree
- Raspberry
- Grapevine
- Almond tree
- Pomegranate
- Apple tree
- Pear tree
- Quince tree
- Walnut tree
- Hazel
- Lime tree
- Dragon fruit
- Prickly pear
- Pistachio
- Carob tree
- Jujube
- Cornelian cherry
- Banana
- Blackberry
- Passion fruit
- Pineapple
- Guava
- Service tree
- Mango
- Mirabelle plum
Prune
13
Feed
18
- TomatoHigh-potash liquid feed≈20 ml / 10 L
- PepperHigh-potash liquid feed≈20 ml / 10 L
- AubergineHigh-potash liquid feed≈20 ml / 10 L
- LettuceCompost3–5 kg / m²
- SpinachCompost3–5 kg / m²
- Globe artichokeWell-rotted manure4–6 kg / m²
- KohlrabiCompost3–5 kg / m²
- Portuguese kale (couve-galega)Well-rotted manure4–6 kg / m²
- Savoy cabbageOrganic granular fertiliser50–80 g / m²
- StrawberryCompost3–5 kg / m²
- KumquatCitrus fertiliser100–200 g / tree
- Chinese hibiscusOrganic granular fertiliser50–80 g / m²
- GeraniumHigh-potash liquid feed≈20 ml / 10 L
- PetuniaHigh-potash liquid feed≈20 ml / 10 L
- Lawn (tall fescue)Lawn fertiliser25–35 g / m²
- Lawn (Bermuda grass)Lawn fertiliser25–35 g / m²
- Bearded irisCompost3–5 kg / m²
- ChrysanthemumHigh-potash liquid feed≈20 ml / 10 L
Preventive treatment
10
- TomatoBacillus thuringiensis · against caterpillars1 g / L
- BroccoliBacillus thuringiensis · against caterpillars1 g / L
- CauliflowerBacillus thuringiensis · against caterpillars1 g / L
- CabbageBacillus thuringiensis · against caterpillars1 g / L
- Portuguese kale (couve-galega)Bacillus thuringiensis · against caterpillars1 g / L
- Cavolo nero (Tuscan kale)Bacillus thuringiensis · against caterpillars1 g / L
- Savoy cabbageBacillus thuringiensis · against caterpillars1 g / L
- Brussels sproutsPotassium soap · against aphids10–20 ml / L
- GeraniumBacillus thuringiensis · against caterpillars1 g / L
- ChrysanthemumCopper (Bordeaux mixture) · against rust10–15 g / L
Approximate doses: always follow the product label. Spray in the evening, never in full sun or on flowers visited by bees. No sulphur above 30 °C.
Jobs this month
- Plant out brassicas and lettuce
- Compost the summer crop waste
Choose a month
Your own calendar, with only your plants
- Choose what grows in your garden
- Personal jobs, feeds and treatments every month
- Phone reminders when it's time to sow, feed or spray
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