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Harry Collins

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Harry Collins

Areas of Expertise: Plant Physiology | Container Gardening

Harry, the Why Guy

Most garden problems make sense once you know what’s causing them, and that is the part I focus on. 

I have a degree in Landscape Management and over 15 years of hands-on growing, in small city balcony containers and large perennial borders alike. 

I use basic plant science to explain why plants behave the way they do, and I keep it in plain words with steps you can actually follow.

The Questions I Answer

Most of my work starts with a why. Why gravel in a pot keeps roots wetter, why yellow leaves rarely need more fertilizer, and why saved squash seeds do not always come back the same. 

I answer those questions here in plain words, with steps that actually work.

How to Save Seeds From Your Garden: 10 Easy Plants

Meta description: Saving your own garden seeds costs nothing and gets easier every year: here’s how to harvest, dry, and store seeds from ten beginner-friendly

How to Choose Comfortable Clothing for Gardening and Outdoor Projects

Gardening and outdoor projects require clothing that is not only comfortable but also durable and functional. Whether you are planting seeds or tackling a DIY

Essential Home & Garden Maintenance Tips for Winnetka Homeowners

Living in Winnetka offers many of the advantages people associate with the San Fernando Valley: warm weather, plenty of sunshine, outdoor living, and homes with

When to Plant Dahlias: Timing and Dahlia Care Guide

Dahlias are a favorite among gardeners because they are easy to plant. Plant too early, and frost wipes out fresh growth overnight. Plant too late,

When to Harvest Watermelon: 9 Signs It’s Ready to Pick

Watermelon does not ripen once it is off the vine. Unlike bananas or tomatoes, a melon picked too early stays exactly as underripe as the

Celosia Plant Care: Grow Bold, Colorful Blooms

I love how celosia changes a garden the moment it goes in the ground. Some varieties look like little flames. Others form strange, coral-like crowns

Determinate vs. Indeterminate: Tomato Types Decoded

I planted two tomato seedlings six inches apart one May, and by August they looked nothing alike. One was a tidy three-foot bush loaded with

How to Propagate Spider Plant: 4 Methods that Actually Work

Spider plant babies start growing roots while they are still attached to the mother plant. You just have to know where to look. Those small

How to Care for Peonies the Right Way?

My first peony sat in the ground for two years without a single bloom, and I nearly gave up on it. The seeds were buried

How to Grow Herbs Indoors: Fresh Herbs Year-Round

A dead basil plant typically results from a mismatch between its needs and environment, not bad luck. Fresh herbs year-round sound simple until the mint

How Long Do Seeds Last: Seed Shelf Life and Viability

Onion seeds are often dead within a year. Tomato seeds can still sprout after a decade in the same drawer. The date on the packet

How to Plant Ginger Root: Growing Healthy Ginger at Home

That piece of ginger in your fridge’s crisper can actually sprout into a real plant. Learning how to plant ginger root starts with something you