Dr. Russell Sharp explains why plants like rhododendrons and other ornamentals sometimes flower in autumn — a phenomenon called precocious flowering caused by stress or unseasonal warmth. He outlines how this early bloom reduces spring displays and can ruin fruit crops.

The episode discusses implications for hydroponic and indoor growers (especially strawberries and perennial crops), the need for cold treatment in some species, and practical considerations for vertical farming and controlled environments.

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Azalea

Camellia

Hydrangea

Skimmia

Pieris

Skimmia

Vaccinium

Hosta

Heuchera

Astilbe

Japanese Maple Acer palmatum acer japonicum

Leonardslee Lakes

Borde Hill Garden

Sheringham Park

Botanischer Garten Bremen

Alan Titchmarsh

Chris Beardshaw

Sarah Raven

Nigel Dunnett

Joe Lamp’l

Costa Georgiadis

Peter Cundall

Kazuyuki Ishihara

Frank Ferragine

Louis Benech

Capability Brown

Gertrude Jekyll

Vita Sackville-West

Christopher Lloyd

Chelsea Flower Show

Roy Lancaster