Vernonia fasciculata Thuja 'Green Giant' Soil Type: Well-drained loam or

Soil Type: Well-drained loam or sandy soil

Hardiness Zone: Zones 3-9

But if it can't take it up what good does it do

Oncidiums usually flower in the fall

Spacing: 60–90 cm

Vernonia fasciculata Thuja 'Green Giant' Soil Type: Well-drained loam orScientific Name: Vernonia fasciculata Common Name: Ironweed Exposure: Full sun Blooming Time: July to September Bloom Duration: 6 to 8 weeks Fragrance: No noticeable fragrance Plant Growing Habit: Upright, clump forming Characteristics: A tall, North American native perennial with sturdy stems topped by dense clusters of vibrant purple flower heads that provide outstanding late season colour. Its lance shaped green foliage remains attractive