Posts By

Katherine Rowe

Katherine is a garden professional with a background in design, conservation, and public horticulture. She holds a master’s degree in landscape architecture and a love of gardens, parks, and natural lands alike. Katherine enjoys exploring gardens and wild spaces through work and travel and designing gardens with nature at the helm.

A close-up and overhead shot several leaves covered in white spots caused by powdery mildew, showcasing white lupine leaves

Plant Problems

Powdery Mildew On Lupine Foliage: What to Do

If you’re familiar with white leaves on your lupine, you know powdery mildew is one of their most common afflictions. Gardening expert Katherine Rowe outlines how to prevent and treat the fungal problem to get the most ecological and ornamental value from the short-lived perennials.

A close-up shot of a person using scissors to trim down tall purple flower spires, showcasing how to cut back lupine

Flowers

How and When to Cut Back Lupine Flowers

Lupines bring waves of captivating, easy color to the spring and summer garden. With simple and strategic cutback, we can foster more blooms, control seeding, and prep for winter. Garden expert Katherine Rowe explores how to trim lupines to get the best of the short-lived perennials.

A close-up shot of a wilting cluster of lilac colored flowers on a tall stem, showcasing delphinium problems

Plant Problems

What’s Wrong With My Delphinium? 7 Fixes for Common Problems

Delphiniums are worth growing for their elegant, towering bloom spires, despite common afflictions that befall the short-lived perennials. Outside their prime conditions, they can be challenging to perennialize, but grow as annuals. Explore common larkspur problems and remedies to enjoy the floriferous spectacle in spring and summer.

One of the unique clematis varieties, this plant features layered purple and green ruffled blooms with spiky centers above dark green foliage.

Vines

9 Unique and Showy Clematis Varieties to Grow this Season

Clematis, with diverse flower forms, colors, and detailing, bring outstanding beauty and vertical interest as they vine and climb. Unique varieties go above and beyond to enchant with swirling layers of petals and draping clusters. Gardening expert Katherine Rowe highlights unique clematis varieties to plant now for years of enjoyment.

An overhead and close-up shot of a small composition of developing orange flowers and a person's hand adding coffee grounds to dahlias

Flowers

Are Coffee Grounds Good For Dahlias?

Coffee grounds, used correctly, bring benefits for dahlias in the way of soil improvement. They may even help prevent slugs, a common pest offender. The key is using them in the right applications and amounts, rather than what we might expect. Gardening expert Katherine Rowe explores how, and how not, to use coffee grounds around the beloved blooming perennials.

zucchini pests damaging a leaf still attached to the plant with dark brown soil looking loamy in the background

Garden Pests

What’s Eating My Zucchini? 9 Pests to Watch For

Zucchini is an easy, productive vine that brings rewards all season. Unfortunately, it's susceptible to a number of common garden pests and cucurbit specialists that can lessen the bounty. Gardening expert Katherine Rowe outlines the usual suspects when it comes to zucchini pests, as well as how to treat and prevent them.

where plant clematis. Climbing on a trellis, the clematis plant displays twining green vines, pointed leaves, and large pink blossoms with broad, showy petals.

Vines

Where to Plant Clematis: 7 Pro Tips

Clematis is a long-lived beauty with high color and diverse flower forms, from spilling clusters to large-flowered focal points. With a few key requirements in care and siting, the beloved flowering vines bring a big show with relatively easy care. Gardening expert Katherine Rowe outlines the best placement for clematis to plant them for longevity.

A close-up shot of a small composition of purple and pink colored, dangling blooms of the Fuchsia, showcasing easy annual shade flowers

Flowers

35 Easy-to-Grow Annual Flowers that Grow in the Shade

Annuals bring instant, sweeping color as they quickly develop in their prime growing season. Those that thrive in shade serve to brighten garden corners, and easy-to-grow selections do it in nearly effortless style. Gardening expert Katherine Rowe outlines the top easy annual shade flowers for all degrees of low-light situations.

A close-up shot of a developing elongated fruit called jubilee bush watermelon, showcasing its striped light-green rind on dirt ground outdoors

Fruits

How to Plant, Grow, and Care For ‘Jubilee’ Bush Watermelons

’Jubilee’ bush watermelons bring exceptional sweetness on a compact, bushy form. Versatile across garden scales, including in pots and small spaces, the dwarf variety makes growing the hallmark fruits of summer achievable. Garden expert Katherine Rowe explores the merits of ‘Jubilee’ bush to highlight the warm season.

Blueberry companion plants. Close-up of a cluster of ripe dark blue round berries growing next to a small green ripening cherry tomato, against a blurred background of a green garden.

Companion Planting

What NOT to Grow With Blueberries (and Best Companion Plants)

Blueberries tempt our taste buds and offer superfruit levels of nutrition. They also provide landscape value in low bush and high bush form, from groundcovers to hedges. To get the maximum yield from vigorous plants, pairing them with the right garden partners enhances the long-lived performers. Gardening expert Katherine Rowe explores what not to grow with blueberries and what to plant instead for the best health and harvest.