Rose City Roots

Gardening in Portland since 1996.

Gardening Tips

Whether you're just getting started or you've been digging in Portland soil for years, these guides are here to help. From quick videos to step-by-step how-tos, we cover what actually works in our Zone 8b climate, rainy winters, dry summers, and all.

How To

Get Some Vitamins In That Clay - Soil Amendments And Nutrients

Soil Amendments for Portland and the Pacific Northwest: A Gardener’s Guide Gardening in the Pacific Northwest , from the damp river valleys of the Portland metro area to the coastal foothills, present

micro nutrientssoil chemistrybiochar

Jul 27, 2026

Drainage

Bioswales in Residential Landscapes: A Sustainable Guide

As sustainable landscaping practices gain momentum, homeowners are increasingly looking for ways to manage stormwater runoff on their own properties. In the Pacific Northwest, where heavy winter downp

drainagebio-swalestorm water management

Jul 26, 2026

How To

Square Foot Gardening: Maximizing Space and Efficiency

Developed by retired civil engineer and author Mel Bartholomew, Square Foot Gardening (SFG) is one of the most popular and efficient intensive planting methods in the world. When combined with a raise

square foot gardeninghomegrownhome garden

Jul 25, 2026

How To

The "Ultimate" Guide to Raised Bed Gardening or so I claim!

Raised bed gardening is one of the most rewarding ways to grow vegetables, herbs, and ornamental plants. By elevating the growing space above ground level, gardeners can bypass poor native soil, impro

raised beds

Jul 25, 2026

How To

Weed Control Methods, You Have Options.

Mastering Weeds in Pacific Northwest Gardens Managing weeds in a PNW ornamental garden requires a balanced approach. Below is a comprehensive guide detailing mechanical, organic, and synthetic strateg

weedsinvasivecontrol

Jul 25, 2026

How To

Mid-Summer Care For Your Perennial Flowers

Mid-summer in Portland usually means warm, dry spells, so the main goal is to keep perennials consistently watered without overdoing it. Water deeply in the early morning 1–2 times a week, depending o

perennialsflowersshrubs

Jul 25, 2026

Invasive Plants

These Plants Are Not Your Friends

Invasive and Nuisance Plants to Avoid  in Portland, Oregon In the  Portland area, several aggressive invaders pose serious threats to both local  ecosystems and property infrastructures

invasive speciestree of heavenblue bells

Jul 20, 2026

How To

Growing from seeds - no biology degree needed. Promise!

A quick word about seed germination: Moisture : seeds need consistent moisture to wake up and start growing. Not soggy, not dry, just evenly damp. If they dry out at the wrong time, germination can st

Jul 8, 2026

Pruning

Espalier - Pruning and Training

Espalier, bonsai's bigger cousin. Espalier is the practice of training a plant to grow flat against a wall, fence, or support frame. It’s a mix of pruning, guidance, and patience, and it can be both p

espalierplant trainingsmall space

Jul 8, 2026

Materials

Mulch in beds, what, how much, when and where

Mulch: Weed contro l: mulch does a good job of blocking light and making it harder for weed seeds to get started. In the Pacific Northwest, where mild weather can keep weeds active for a long stretch

Jul 8, 2026

Tools

All the tools you'll ever need

Taking care of your gardening tools not only makes your work easier but also ensures they last for years. Below is a comprehensive list of essential gardening tools, their primary purposes, and the ba

Hand trowelpruning shearsgarden spade

Jun 29, 2026

Irrigation

Irrigation vs Irritation

When choosing between drip irrigation and a sprinkler system, the main consideration is how the space will be used. Lawns : a sprinkler system is generally the better fit. Rotors or spray heads provid

driplinesmicrospraysrotors

Jun 27, 2026