In Thijsse's Hof about 800 species of native plants can be found in South Kennemerland, the region in which Bloemendaal is situated.
A small terrain in the wood, behind the pancake house on the Mollaan, was oak coppice, where potatoes were grown.
Thijsse became the first president of the foundation “Planten- en vogeltuin in het Bloemendaalsche Bosch”.
This vegetation type has a lot of other trees and shrubs as well, like European beech Fagus sylvatica, bird cherry Prunus padus, hawthorn, hazel and yew.
Wood anemone, bird-in-a-bush, primrose, bluebell, leopard's-bane and ramsons flowering in April and May.
The woodland is rich in birds like chaffinch, chiffchaff, blackbird, song thrush and tits.
The coppice is a low woodland, with trees that are regularly coppiced The pond lies in the centre of Thijsse's Hof, and plays an important role, from the point of view of garden architecture, as well as from the point of view of the ecological value.
Southern marsh orchid, meadowsweet and yellow loosestrife are among the plant species that grow here.
The dry grassland is abundantly flowering in May and June with species like field scabious, common knapweed and salad burnet.