Hartley Magazine

All the latest news, hints, tips and advice from our experts

Cold Hardy Cactus: Opuntia with punch!

Part of the delight in growing hardy cactus, for me anyway, comes in not having to move pot-grown specimens into the conservatory as the temperature drops. The hardy sorts of opuntia (aka prickly pear cactus) are especially attractive and common throughout the intermountain and prairie regions of the West. Opuntia aurea, hardy from Zone 5-10, […]

Historic Gardens—What the past tells us about today—and tomorrow

I love the feeling of time travel that comes with visiting restored gardens. One of my favorites is Aspet—a garden designed around the home of artist and sculptor, Augustus Saint-Gaudens (1848-1907). The 30-acre garden and 200-acre grounds are now a National Historical Park in New Hampshire. When I visit gardens like this, one question always […]

Written in United Kingdom

Indian Shot with bright flowers

Indian Shot or Cannas are happiest in frost free greenhouses or a conservatory, they can even go outside all summer. But their lush foliage and incandescent blooms look better for longer under cover where their tropical appearance also seems more appropriate. Found in almost all frost free parts of the world the Cannas are possibly […]

Plants Need Secondary Macronutrients Too

You fill a watering can with dissolved fertilizer and start feeding your greenhouse plants. But do you know exactly what’s in the solution you’re using? Most greenhouse owners know that plants require nitrogen (N), phosphorus (P), and potassium (K). These are the primary macronutrients, the word “macro” referring to nutrients needed in relatively large amounts. […]

An expensive bargain: cheap potting mix

In life and gardening, we all make mistakes—sometimes, even when we know better. My big mistake this year (so far) was buying cheap potting mix. I understand perfectly well how important the quality of potting mix is to container plants in greenhouses, in the house, and outdoors. I know that the mix must be light […]

Cold-hardy cactus for extreme gardening

Every garden I’ve visited has taught me something new. Be it a tropical conservatory that reveals an exotic plant I’d never before seen, or a hard-working greenhouse that tutors me in a growing technique to raise better plants, it all makes for a smarter garden and gardener. For example, at Hunting Brook garden in Ireland, […]

Written in United Kingdom

Top-down solutions

Forget complex, resource-hungry gadgetry, and soak up simplicity: earth-friendly mulches make greenhouse watering easy and guilt-free. Gardening – especially any-weather greenhouse gardening – is a just-steps-away activity that offers us sanctuary from our increasingly busy-busy, rushed, technology-driven lives. Plants don’t go ever-faster to keep up with the latest app, or to improve their efficiency; they just grow, chasing […]