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Writing Plant Specs

What a defensible eco-lawn planting spec actually needs to include — and what most templates leave out.

Landscape architect reviewing a planting specification document with plant species listed
What a good spec includes

Beyond just the species name

  • Botanical name, not just common name. Common names vary regionally and by supplier — the botanical name is what actually gets sourced correctly.
  • Seeding rate with basis. State the rate AND whether it is pure live seed (PLS) or bulk — see seeding rate library and the PLS calculator for the distinction, which matters for sourcing accuracy.
  • Zone and site-condition fit. A spec that names a species without confirming it suits the actual site conditions (sun, soil, traffic) is the most common gap we see.
  • Establishment window. A timing requirement, not just a planting method, keeps installers from sowing outside the viable window.
Reference data

Pull directly from our sourced data

Our reference section — seeding rates, germination data, zone maps, toxicity tables — is built to be spec-ready and is the same data we use internally, not marketing copy.

Contractor FAQ

Do you provide plant specs for submittals?

Yes — submittal-ready plant and seeding specifications for landscape architects and GCs. Request a spec.

What’s included in a spec?

Species and mix, seeding rate, seedbed prep, establishment and acceptance criteria.

Is there specialised spec language?

Yes — the erosion-control spec covers slope and stabilisation work.

How do I estimate quantities for the spec?

The seed calculator gives per-species rates; confirm against the product page.

Writing a planting spec?

Our reference data is built to be spec-ready.