September–October; winter purslane according to product guidanceSow very shallowly in cool greenhouse soil or a sheltered container.
- Germination and temperature
- Cool germination conditions; wait if soil is hot.
- After emergence
- Keep emerged lettuce bright and well ventilated; prevent high greenhouse temperatures and drying out.
- Pricking out and potting on
- Sow directly or raise small root balls according to product guidance. Keep young roots intact.
- Hardening off and planting out
- Direct-sown spinach stays in place.
Winter purslane and summer purslane have opposite warmth requirements. Do not confuse them.
Sources and use
RHS · veldsla ↗Britse teeltrichtlijn voor een gematigd klimaat; de genoemde perioden zijn richtlijnen voor Nederland en Vlaanderen.
De Bolster · De Bolster — Veldsla telen ↗Nederlandse producent of teeltbron; de rasinstructie blijft leidend.
Utah State University Extension · USU Extension — veldsla in de tuin ↗Soort- of productgebonden bron; buitenlandse perioden zijn geen vaste Nederlandse zaaidatum.
Guideline periods for the Netherlands and Flanders. Check the variety, available light, soil and measured temperatures. Greenhouse heating does not guarantee enough winter light.