Cartwheel-flower
Heracleum mantegazzianum
Giant hogweed is a large, architecturally dramatic perennial that thrives in moist, fertile soil with full sun to partial shade. It requires careful handling at all times as its sap causes severe phototoxic burns on skin contact. Be aware that this plant is regulated or banned in many regions due to its invasive potential and hazardous nature.
Care Level
High
Sun
Partial Sun
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
60″
Watering Schedule
Every 7-10 Days • Water Deeply To Keep Soil Consistently Moist But Not Waterlogged
Soil pH
6.5 – 7
Temperature
-50° – 85°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Medium
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Jul 1, 2020 by Rebekah Gibson (cc-by-sa)
No nurseries currently have this species in stock.