Fountainhill Estate falls within Bio-Resource Units (BRU) Vb13 Schroeders, VWb5 Valley of a Thousand Hills and Wc33 Wartburg.
Vb13-Schroeders comprises Bio-Resource Group 4 (BRG) defined as Dry Coastal Hinterland Ngongoni Veld composed of grassland, bushed grassland and bush clumped grassland, BRG 17.3 Coast Hinterland Thornveld composed of bushland, bushed grassland, wooded grassland and bushland thicket.
VWb5-Valley of a Thousand Hills comprises BRG 4.7a Dry Coastal Hinterland Ngongoni Veld primarily bushland, bushed grassland, wooded grassland and bushland thicket.
Wc33-Wartburg comprises BRG 5, defined as Moist Midlands Mistbelt comprised entirely of grassland.
Mucina & Rutherford more specifically define the vegetative resources that Fountainhill falls into as KwaZulu-Natal Hinterland Thornveld (SVs3), Ngongoni Veld (SVs4) and KwaZulu-Natal Sandstone Sour Veld (SVs5). The former two vegetation types are considered vulnerable while the KwaZulu-Natal Sandstone Sour Veld is considered endangered.
The property is endowed with numerous natural and “man-made” wetlands and has numerous remnants of Scarp Forest present on the property, making it a unique and valuable ecosystem in the uMgeni catchment, worthy of conservation interest.