Flowering calendar

Opening hours & admission prices

Arboretum Kalmthout is open all year round from 10am to 5pm, except on December 25th and January 1st.

Arboretum Gin for a cause

Support our exciting fundraising project - the opening of a 1 hectare garden extension in 2023 - by purchasing Arboretum Gin with Hamamelis. Awarded a silver medal in the international 2022 London Spirits Competition, now available in our webshop!

Witch Hazel Festival

When

Thu 05.01 - Sun 26.02

When most other gardens are hibernating, the Arboretum garden is fully alive with winter blossoms. The witch hazels (Hamamelis) are truly magical.

Snowdrop Days

When

Sat 11.02 - Sun 26.02

Talk a stroll in the arboretum and enjoy magnificent snowdrop displays in the garden. The snowdrop plant fair is a real treat for galanthophiles, not to be missed!