Wavy Leaved Thistle

Meadow thistle should be watered regularly and somewhat deeply, but never so much as to cause waterlogging or root rot. They prefer light, moist soils, so approximately once a week during drier months and every other day during wetter months should suffice. It's best to water them in the morning or early afternoon so they dry before nightfall. During winter months, water sparingly, as the plant enters a dormant period. Keep an eye on the soil near the plant and water when it begins to dry out.

Meadow Thistle (Cirsium scariosum) typically does best in full sun. That means it needs at least 8-10 hours of direct sunlight per day for optimal growth and flowering. This should ideally be in the morning or midday hours, as afternoon sunlight can be too harsh for some plants. If planted in partial shade, Cirsium scariosum may grow more slowly and produce fewer flowers. Additionally, it is important to provide protection from strong winds, which can dry out the soil and otherwise damage the plant.

Meadow Thistle (Cirsium scariosum) should be pruned in late winter or early spring before new leaf growth emerges. Pruning should be done gently and selectively, removing dead or damaged stems as well as any spent flower stems that remain from the previous year. Prune to the ground any stems that are more than 2 years old to encourage new growth. Remove approximately 1-third of the stems when pruning to leave space for new flowering stems to emerge.