Warm temperatures cause spinach to bolt (send up a stalk and flower), which makes the leaves bitter and less prolific. Plant bolt-resistant varieties in warmer months. Mulching the roots and ...

For leaves to pick over winter, sow spinach in late summer and early autumn. When the seedlings are about 2cm tall thin out to leave the strongest seedlings plenty of space to grow - chard needs ...

Is longevity spinach invasive? The plant is not considered invasive but because its stems root wherever they touch the soil, it outgrows its allocated space. To prevent this from happening ...

Here’s how this one works: the roots of the spinach plants absorb nitroaromatic compounds such as picric acid from the groundwater, and these transpire up through the stem and into the leaves ...