calendars

Ash

Tree calendar

This calendar shows when specific trees are flowering (in the Netherlands). The calendar is video-based. Every tree is explained by a short video. Corylus aveilana   Alnus incana   Alnus glutinosa   Salix viminalis   Taxus Bacatta   Populus x more   Carpinus Betulus   Betula pendula more information >> Fagus sylvatica   Quercus robur […]

ambrosia

Herb calendar

This calendar shows when specific types of herbs are flowering ¬†(in the Netherlands), each herb is explained by a short video. Parietaria judaice and Ambrosia artemisiifolia are the most allergenic. Most allergenic herbs: Rumex acetosa   Plantago lanceolata   Parietaria judaica more information >> Urtica dioica   Artemisia vulgaris more information about Artemisia vulgaris >> […]

calendar

Grass calendar

This example calendar shows when specific ¬†grasses are flowering (in the Netherlands). The calendar is video-based. Every grasstype is explained by a short video. Alopecurus pratensis Image: Alopecurus pratensis, Meadow foxtail. Five stages in ripening of the inflorescense and opening of the anthers to free pollen. more information >> Dactylis glomerata Poa pratensis Anthoxanthum odoratum […]