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Leahy Organic Lawn Care Division, Leahy Landscaping

David Knodel Phone: 781-581-3489

Division Manager Fax:

56 Sanderson Avenue Website: www.leahylandscaping.com

Lynn MA 01902 Email: [email protected]

Service Categories: structural commercial school

landscape residential golf course


We offer an organic lawn care service using 100% organic fertilizers and additional cultural practices including soil sampling. In addition, our Plant Health Care division promotes IPM for disease and insect detection then use the least toxic remedy for the pest involved. We also use liquid organic fertilizers when deep root feeding. Above and beyond these two divisions, we are a mixed business and provide all landscape services to include design/build, maintenance, irrigation, snow removal, and landcape lighting.

What is your definition of Integrated Pest Management (IPM)?

Scouting for potential and existing problems and then select, if necessary, the least toxic solution for them. Treatment options are discussed with the homeowner prior to the application so that the proper knowledge/information is disseminated to the client, allowing them to be educated and included in the decision making.


Is pest management performed on a specific schedule?

For both the lawn care and plant health care, IPM scouting is typically don eduring regularly scheduled visits with attention to the time of year when specific pests are likely to be present. We respond timely toa client request (phone call/email) to identify and apparent problem outside of regularly scheduled visits.

How are pest problems identified?

Identification is performed by trained knowledgabel staff and as necessary, samples are collected and shipped to the appropriate laboratory if the staff is unsure of the exact identification. Once an accurate ID is made, the appropriate control is selected, again with input from the client.

What practices do you use to prevent and/or control pests?

Visual inspections and proactive non-toxic controls as necessary or as desired by the client.


Do you use biological controls?

Beneficial nematodes are used in the control of beetly larvae as necessary to reduce turf damage. Beneficial bacteria and pyrethrums are used by the plant health care group. Compost teat is used by both divisions to aid in disease resistance and improved soil quality.


Do you use borates?


Do you use synthetic chemicals?

If necessary to protect significant loss and in consultation with the client, we use herbicides, insecticides, and fungicides to control an infestation.

What are the top 10 pesticides you use/sell/recommend?

Herbicides and fungicides with less emphasis on insecticides. We do not sell any products.

If pesticides are used, how much are used per year of each?

Annual usage is difficult to quanity as there are so many seasonal factors athat are involved when determining a need for such control. Herbicides are used in the liquid form in a small spray to "spot treat" extensive unwanted vegetation in a lawn, for example. Plant Health Care uses an injection method to treat symptoms in ornamental trees and shrubs.

Does your company perform habitat modification?

No, except if tick barriers would fall into this category. Some pruning techniques can provide some modification such as increasing available sunlight exposure.

Do you use any physical or mechanical controls?

For turf care, core aeration, slice seeding/over-seeding and/or topdressing with loam/compost/seed are utilized to improve thin or worn areas. Proactive and benefical pruning methods are used to improve the health and potential resistance of pests in ornamental trees and shrubs.

What type of fertilizers do you use/sell/recommend?

Custom blends based on composed poultry litter and fortified the bone/feather meals and humates.


What do you usually use/sell/recommend for addressing:

termites N/A

cockroaches N/A

fleas N/A

carpenter ants N/A

fire ants N/A
  ants (indoor) N/A

crabgrass hand removal, soil testing and amendments, liquid herbicide spot treatments when necessary
dandelions hand removal, soil testing and amendments, liquid herbicide spot treatments when necessary

How do you evaluate effectiveness of your pest management

When possible, written documentation and visual inspections both seasonal and annual.