Category

Journal

1. Start with the Soil You Actually Have

Most ground-level gardens in Hong Kong sit on weathered granite or volcanic tuff, producing a slightly acidic, mineral-rich but texturally difficult medium. It is often sticky red clay when wet and cracks like concrete when dry. In...

Assessing Structural Load and Drainage Constraints

Every rooftop in Hong Kong has a specific live-load capacity, often stipulated by the Buildings Department. Before placing any containers, planters or bulk growing media, the structural capacity in kilograms per square metre must be...

Soil Strategies for Substrate That Stays Light and Functional

Hong Kong’s compact high‑rise environment means that accessible rooftop spaces often represent a household’s only outdoor gardening opportunity, yet the growing medium must satisfy conflicting demands. A rooftop planter cannot rely...

Hong Kong Zoological and Botanical Gardens

Mid-levels on Garden Road hosts one of the oldest botanical collections in the territory. The Gardens maintain labelled specimens of several flowering trees that perform reliably in Hong Kong’s subtropical climate. Bauhinia × blakeana,...

Bombax ceiba – Silk Cotton Tree

Bombax ceiba produces large, fleshy red to orange flowers on bare branches from late March through April. Hong Kong Park’s conservatory lawn and Victoria Park in Causeway Bay hold prominent mature specimens, while older districts such as...

Why Container-Grown Flowering Trees Suit Hong Kong Spaces

Ground-level garden space is scarce in the city, but unshaded balconies and rooftops often receive the intense light that many subtropical flowering trees demand. Restricting root spread in a large pot naturally limits the tree’s...

Pink and Gold Trumpets — Tabebuia

Several species in the genus Tabebuia are widely planted across Hong Kong, valued for their flamboyant, tubular blooms that appear when branches are still leafless. Tabebuia rosea, the pink trumpet tree, typically flowers from late March...

Flowering Calendar for Hong Kong Trees

Many tropical and subtropical trees grown in Hong Kong flower in response to the transition between dry and wet seasons rather than day length. The main blooming window stretches from late winter to early summer, though several species...