Hogweed Wildflower Seed (Heracleum sphondylium) produces large clusters of white flowers and is ideal for adding structure and height to meadows, road verges, and wetland areas, supporting pollinators and other wildlife.
Benefits
Tall, striking flowers add height and structure to plantings
Native UK wildflower that supports pollinators and wildlife
Ideal for wetland areas, roadsides, and grasslands
Tolerates moist, fertile soils and attracts beneficial insects
Great for creating naturalised, biodiverse landscapes
We process and dispatch orders promptly and keep you informed throughout the delivery process.
Hogweed (Heracleum sphondylium), also known as Cow Parsnip, is a tall, native UK wildflower commonly found in grasslands, road verges, and riparian zones. This striking perennial is noted for its large, umbrella-like clusters of white flowers that bloom in summer, standing out in meadows and wetlands. Hogweed is an excellent addition to biodiversity projects, attracting a wide range of pollinators, including bees and butterflies.
It thrives in moist, fertile soils and is perfect for adding height and structure to wildflower meadows, roadside plantings, and naturalised gardens. Hogweed also supports a variety of beneficial insects and wildlife, making it an essential species for habitat creation and restoration.
Features & Benefits
Large, umbrella-shaped clusters of white flowers
Native UK wildflower ideal for moist soils
Supports bees, butterflies, and other pollinators
Adds height and structure to meadows and habitats
Ideal for roadsides, wetland areas, and grasslands
Latin Name:
Heracleum sphondylium
Flowering Time:
June – August
Flowering Height:
1.5 – 2.5 m
Life Cycle:
Perennial
Wildflower Seed Approximate Sowing Rate:
7.5kg per acre (18.5kg per hectare)
Sowing Times:
Spring (March – May) or Autumn (August – October)
How to Sow & Preparation
Choose a moist, fertile site with well-drained soil.
Clear any weeds and prepare the soil to a fine, level seedbed.
Broadcast seed evenly across the surface and press lightly into the soil.
Gently firm the soil with a roller or by walking over it.
Water lightly during dry spells to aid germination.
Allow the plant to grow without mowing during its establishment phase.
About John Chambers Wildflower Seeds
John Chambers Wildflower Seeds has been a trusted supplier of native UK wildflower seeds for over 35 years. Known for its high-quality, locally sourced seed and outstanding customer service, John Chambers provides ecological solutions for landscape contractors, local authorities, and conservationists focused on creating sustainable, biodiverse landscapes.
Attribute Detail
Latin Name Heracleum sphondylium
Flowering Time June – August
Flowering Height 1.5 – 2.5 m
Life Cycle Perennial
Sowing Rate 7.5kg per acre (18.5kg per hectare)
Sowing Period Spring or Autumn
Preferred Conditions Moist, fertile soils; full sun to partial shade
Pollinator Friendly Yes
Minimum Order Quantity 100g
Ideal For Wetlands, road verges, grasslands, meadows, habitat creation
