Blog

Feb 20, 2026

Iron and Manganese Toxicity on Geraniums

We field this geranium challenge from growers to identify and correct just about every year: Iron and manganese toxicity. PROBLEM: A couple of weeks ago, you may have seen the YouTube short that Dr. Will Healy did on &....

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Feb 13, 2026

What's Causing These Bumps?

Technical Services

Intumescence is a fairly common issue this time of year. Here’s some details on this disorder. PROBLEM: Cold and cloudy weather means many greenhouses have been buttoned up tight for the last few weeks. While we&....

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Feb 6, 2026

Plant Growth Regulators – Ethephon

Technical Services

This week we continue our ongoing discussions about specific plant growth regulators and how they work. This time, we’re diving into ethephon. PROBLEM: Ethephon is a versatile plant growth regulator (PGR) used to....

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Jan 30, 2026

Dial Back and Dial In Your Water and Mist

Technical Services

Here are some tips on moisture management during this frigid winter weather. PROBLEM: When major cold fronts hit during January and February, everything slows down. Not just shipments of unrooted cuttings (URCs) and young....

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Jan 23, 2026

PGR Liner Dips — Consider the Benefits

Technical Services

Our technical specialist, Dr. Josh Henry, weighs in this week to discuss a topic that’s becoming more and more common but definitely requires close attention and careful selection (of crops and active ingredients): PGR....

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