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Seasonal guide
Europa / Spagna / Navarre

What to plant in Navarre in September

September in Navarre brings mild early autumn conditions with an average temperature of 18.6°C and around 59.4 mm of rainfall. Warm daytime maximums reaching 24.7°C combined with cool nights allow for full sowing and planting of cool-season crops while transitioning away from summer produce. This transitional climate ideal for establishing leafy greens, root vegetables, and hardy brassicas before winter temperatures drop.

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Semina

Semina consigliata

8 opzioni
  • Spinach

    Spinach

    Sow directly outdoors; mild September temperatures favor rapid germinating without premature bolting.

  • Radish

    Radish

    Direct outdoor sowing in quick successions takes full advantage of the remaining warm daylight hours.

  • Lettuce

    Lettuce

    Direct sow or use seedbeds outdoors. Shading may be useful if occasional late summer heat occurs.

  • Arugula (Rocket)

    Arugula (Rocket)

    Sow outdoors directly into shallow rows; thrives in cool autumn temperatures.

  • Swiss Chard

    Swiss Chard

    Direct sow in garden beds. Very resilient to early night temperature drops.

  • Turnip

    Turnip

    Direct sow outdoors. Autumn rain in October will support late root expansion.

  • Carrot

    Carrot

    Sow directly in loose soil; ensure seedbed stays moist during the 2-week germination phase.

  • Garlic

    Garlic

    Plant cloves directly outdoors pointing upward, 3-5 cm deep.

Piantine

Piantine

4 opzioni
  • Broccoli

    Broccoli

    Transplant pre-grown seedlings outdoors. Strong early growth occurs during September maximums of 24.7°C.

  • Cabbage

    Cabbage

    Plant nursery seedlings directly in final garden positions, spacing 45-60 cm apart.

  • Cauliflower

    Cauliflower

    Transplant seedlings outdoors early in the month to allow proper establishment before November chills.

  • Leek

    Leek

    Transplant seedlings into deep holes or trenches to promote long blanched stems.

Tasks

Monthly tasks

Clear out finished summer crops to prevent fungal diseases from harboring in decaying foliage. Apply a thin layer of compost to exposed soil to prepare beds for autumn root and leaf crops. Monitor moisture levels as rainfall begins to gradually increase toward October.