What We Do: At a Glance
Initial Visit: Assess and Pick
Revisit 6-8 Weeks Later: Second Flush Pick
Revisit 6-8 Weeks Later: Second Flush Pick
Around May, we will visit your land and assess the problem, picking out the balsam by hand.
Revisit 6-8 Weeks Later: Second Flush Pick
Revisit 6-8 Weeks Later: Second Flush Pick
Revisit 6-8 Weeks Later: Second Flush Pick
We will return around June or July to pick out the second flush of seedlings.
Revisit the Following Year: Pick and Plant
Revisit 6-8 Weeks Later: Second Flush Pick
Revisit the Following Year: Pick and Plant
A year later, we will come to ensure eradication, reassess any further picking, and plant native species.
Document and Maintain
Revisit 6-8 Weeks Later: Second Flush Pick
Revisit the Following Year: Pick and Plant
Once the process is complete, our team and volunteers will keep tabs on your land, documenting any changes, prevent any further balsam growth, and maintain native species revival.
1. Pre-Seed Removal
2. Mapping and Documentation
The single most effective intervention is removing plants before they set seed. We will work in late spring and early summer — primarily May through July — targeting plants before flowering where possible, and certainly before seed pods develop. Removing at this stage eliminates each plant's reproductive potential entirely and does not require the careful pod management that later-season work demands.
Where plants in seed are encountered, they will be carefully removed into sealed bags to prevent dispersal, and disposed of appropriately rather than composted on-site.
2. Mapping and Documentation
2. Mapping and Documentation
Each session will be documented. We will map the location of removal work, note plant density, record approximate quantities cleared, and photograph the site before and after. This documentation serves two purposes: it allows us to plan follow-up work precisely, prioritising areas of highest density and greatest seed pressure on downstream sections; and it builds an evidence base that demonstrates the ecological and practical value of the work over time — essential for ongoing funding conversations and for sharing learning with other local groups and organisations.
3. Return Visit Within the Same Season
Himalayan balsam germinates in flushes. A single clearance in May will be followed by a second flush of growth from the remaining seed bank. We will return to each cleared section within the same season — typically six to eight weeks after the first visit — to remove this second generation before it too can set seed. This within-season return visit is the key to genuinely reducing the local seed bank year on year, rather than simply managing the surface while the land below remains untouched.
4. Early May Return the Following Year
4. Early May Return the Following Year
The long-term goal is to break the cycle of dominance. This requires commitment across seasons. We will return to each cleared section in early May of the following year, targeting the earliest-emerging seedlings before they have any chance to establish or flower. Over two to three seasons of consistent early intervention, the local seed bank — which remains viable for two years in the soil — will be depleted, and the balsam's grip on the site will weaken.
Early May return is also the ideal moment to begin noticing what comes back. Native plants — suppressed for years beneath the balsam canopy — begin to reassert themselves as light and space return. This is when the project shifts from removal to recovery.
5. Introducing Native Wild Seeds
4. Early May Return the Following Year
5. Introducing Native Wild Seeds
As cleared sections stabilise and native vegetation begins to return, we intend to support the process by introducing appropriate wild seed mixes to the newly opened habitat. Species selection will be informed by what is already present in adjacent areas and what is appropriate to the habitat.
This is not about imposing a designed landscape onto the site, but about giving native species a foothold where decades of balsam dominance have depleted their seed bank.