Culture

Culture Report: Flamma Celosia

When asked what the most important feature is for a plume-type celosia to have, almost all avid gardeners agree: flower color power that endures. A PEDIGREE WITH PROMISE Over the years, Sakata has introduced celosia... more »

Culture Report: Endless Summer ‘Pop Star’ Hydrangea

When it comes to adding new varieties to the Endless Summer lineup, the bar has been set very high. At the very basic level, an Endless Summer hydrangea must be cold hardy to Zone 4,... more »

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Vaughn’s View: Bright and Radiant Basket Combinations

I visited the Costa Premiere spring trial on week eight to evaluate the early flowering and performance of annual introductions for 2023. My May and June articles highlighted many of the most dynamic, unique and... more »

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Vaughn’s View: Vigorous, Vibrant & Unique Introductions

This article highlights new annuals in the Costa Premier Spring Trial from my late February visit. In my May article, I covered 10 unique and distinctive varieties from seven international flower breeders; in this article,... more »

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Culture Report: Streptocarpus Ladyslippers

A class houseplant selection that has undergone a reinvention is the streptocarpus. First documented for commercial use in England in 1818 by the Kew Gardens plant collector James Bowie and native to South Africa, streptocarpus... more »

Trends From CAST

Just like crows looking for things that are bright, new and shiny, GPN staff once again flew out to California Spring Trials to see the plants. Most of the plants will be available to growers... more »

Culture Report — Intrinsa Garden Mums

While the multiflora chrysanthemum is native to Asia, garden mums are now ubiquitous autumn plants that offer an array of celebratory colors for harvest time throughout much of North America. The sea of yellow, oranges,... more »

CONTAINER SIZE CROP TIME 4- to 6-inch pots (1 liner) 7-9 weeks 8- to 10-inch pots (2-3 liners) 12 weeks 12-inch pots (3 to 4 liners) 12 weeks 14-inch pots (4 to 5 liners) 12 weeks

Sun Parasol Mandevillas: Culture Report

For 20 years, Suntory Flowers has been planting paradise with Sun Parasol mandevillas. Once consumers experience the easy care and outstanding summer garden performance, they are hooked. Extensive breeding has delivered shorter crop times, superior... more »