Is miscanthus an invasive plant?

Though miscanthus is notoriously invasive, many nurseries continue to sell it. Miscanthus cvs. Despite being categorized as invasive in 25 states, the District of Columbia, and Ontario, miscanthus (Miscanthus sinensis and cvs., Zones 4–9) continues to be a popular nursery plant.

When should miscanthus be cut back?

Miscanthus will stay erect through most of the winter, but the foliage becomes dry and damaged toward the end of the season. Foliage is attractive and affords some protection for the crown, but should be cut back at the end of winter or in very early spring.

How long does it take for miscanthus to grow?

2 to 3 years
Miscanthus growth cycle Establishing the crop as mature will take 2 to 3 years at which time the crop can be harvested in the very early spring allowing it to grow again and be re-harvested at a similar stem length the following year. The crop will start growing in spring and continue throughout the summer.

Does Miscanthus spread by seed?

Miscanthus Sacchariflorus This species doesn’t produce many viable seeds, so it doesn’t spread by wind like Miscanthus sinensis. Instead, the rhizomes of this species spread underground, meaning invasive outbreaks are limited to simply growing clumps larger in their immediate area.

How do you maintain miscanthus?

To grow the strongest stand of plants possible, place miscanthus in well-drained soil with a good amount of organic matter. Miscanthus likes evenly moist soil, but once established can tolerate some dry spells. Full sun is best for miscanthus; when planted in part sun, the grass tends to flop.

How far apart do you plant miscanthus?

Planting –Real World Giant Miscanthus rhizomes as soon as soil conditions allow in early spring and no later than mid-June. Rhizomes should be planted 3-4” deep and 12-18” apart in rows that are spaced 18-24”. Plant at least 3 rows for good screening, 5 rows is better.

How does miscanthus spread?

Miscanthus sinensis is a bunch- or clump forming grass, with very short, inconspicuous rhizomes. The predominate means of spread is airborne seed or from seeds in the soil (seed bank). Management: Ornamental plantings should be watched carefully for self-seeding into nearby gardens, woodlands, or natural areas.