Transplanted Quince Bush Losing Leaves: Saturated Roots & Shock

Large quince bush divided into 7 sections, planted 18–20″ deep, watered daily 5–7 min. After heavy storm, all leaves brown and falling. Prior leaf curling noted. Diagnosis Daily watering + heavy rain = completely satura

Sweet Broom (Cytisus spachianus) Browning in Texas Heat: Wrong Plant, Wrong Place

Four sweet broom shrubs planted in Friendswood, TX; two browning/diseased. June temps in 90s with no rain. Plant is Canary Island native—max temps there ~70s°F. Why Its Failing Heat intolerance: Cannot handle sustained

Genista (Broom) Invasiveness: Only a Problem in NW California/Oregon

Gardener bought Genista cytisus spachiana, neighbor warns of 20-year battle with a broom species. Is it invasive? Invasiveness Is Species- and Location-Specific Only Genista monspessulana (French broom) is federally li

Petunias Dying Suddenly? Crown Rot from Sprinkler Overwatering

Petunias in mixed bed suddenly dry up and die (like Roundup damage), while marigolds, bottlebrush, black-eyed Susans, sunflowers thrive. Sprinkler system runs daily. Top Suspects Crown rot: Petunias at front of bed get

Single Zucchini Plant Not Flowering? Wait—It's Not a Pollination Issue Yet

Gardener usually gets too many zucchini, so planted only one this year. Plant is big and healthy but no flowers. Not a pollination problem—no flowers to pollinate. Likely Causes Weather still too cool for flower initia

Coffee Grounds in the Garden: Benefits, Myths & Cautions

Are coffee grounds good for plants? Yes, but with caveats. Pros Excellent organic matter (carbon + nitrogen). Near-neutral pH (~6.7) after brewing—safe for most plants. Earthworms love them → improved soil structure. S

White Spore-Like Growth on Begonias: Slime Mold, Not Fungus

Wedding landscape job: dark-leaf begonias show deformed thick white spore growth on crowns. Gardener needs immediate spray to stop spread. Diagnosis: Slime Mold Not a fungus—fungicides wont work. Common on frequently w

Zucchini Not Flowering? Sun, Water, Fertilizer & Pollinators Checklist

First-time gardener: 6 zucchini plants, only 3 flowered, flowers withered, no fruit, no new flowers. Troubleshooting checklist: Sun: Need 6+ hours direct sun including noon. Water: Deep soak every 3–4 days + liquid fer

Cosmos & Shasta Daisies All Leaves, No Flowers? Too Much Nitrogen

Cosmos and Shasta daisies grown from seed are huge and bushy but zero buds. Gardener used Miracle-Gro Bloom Booster early. Diagnosis: early high-nitrogen fertilizer caused vegetative growth at expense of blooms. The Fix

Nutsedge (Nutgrass) Invasion: Why It's Nearly Impossible to Eradicate

Nutsedge (Cyperus rotundus)—aka nutgrass—is a nightmare weed. Tubers produce 50+ plants each; one tuber yielded 1,100+ in a season. Grows through pool liners, asphalt, basements. No chemical eradicates it. Limited Optio

Managing Black Spot on Roses: Spray Schedule & Low-Effort Options

Black spot on roses cant be eradicated—only managed. A gardener has a stellar year for roses, hydrangeas, daylilies but wants black spot control. Traditional Spray Program Dormant spray: Lime-sulfur in November and Mar

Trailing Lobelia Not Blooming? Heat & Light Are the Culprits

UK gardeners trailing blue lobelia in windowbox has lush foliage but few flowers by late June. Plants tripled in size, get some direct sun, watered generously each evening. Why Lobelia Stops Blooming Heat: Above 23°C (

Zucchini Rotting at Hot-Dog Size? Blossom-End Rot & Pollination Fixes

Zucchini fruit reaches ~6 inches then rots. Only one fruit matured. Two main causes: incomplete pollination or water management issues (often called blossom-end rot, though true BER is calcium-related). Pollination Fix

Organic Aphid & Whitefly Control for Potted Petunias

Potted petunias plagued by aphids and whiteflies? Skip synthetic sprays—use integrated pest management (IPM) with beneficial insects and organic sprays. Beneficial Insects (Order Online) Encarsia formosa (tiny parasiti

Something Eating Petunia Flowers? Probably Slugs—Here's How to Stop Them

Petunia flowers disappearing overnight? Prime suspect: slugs. They feed at night, leaving holes and slime trails. Slug Control Options Beer traps: Shallow dishes of beer at soil level. Slugs drown. Check nightly. Diato

Wave Petunias Yellowing & Dying: Watering, Fertilizer, or Virus?

Eight-year wave petunia planting in CT suddenly shows yellowing, brown spots, and plant death spreading across the bed. Gardener is desperate—husband unemployed, cant afford replacements. Diagnostic Steps Check soil mo

Petunia Foliage Browning from Base Up? Likely Powdery Mildew

Petunias in cement pots grow huge and gorgeous, but every year foliage browns from the bottom up. Air circulation improvements (staking) dont help. The gardener avoids chemicals. Diagnosis Most likely powdery mildew—che

Deadheading Gazanias: You Didn't Harm It—Here's Why

A gardener deadheaded gazanias by cutting to the first leaf below the bloom, then worried it was too low. Good news: gazanias produce new flowering stems from the base, so cutting low is fine—even preferred. Why It Work

Overwintering Purple Fountain Grass (Pennisetum 'Rubrum') in Zone 7

Purple fountain grass (Pennisetum setaceum Rubrum) is a warm-season perennial hardy to Zone 9. In Zone 7b (NC), it will die back in winter. Bringing it indoors is challenging but possible with high light. Indoor Overwin

Bougainvillea Not Blooming? Water Less, Fertilize Smart

Bougainvillea (often misspelled bogenvia) blooms best under slight stress—specifically, dry conditions between deep waterings. A gardener waters 15 minutes 3× daily via bubblers; the plant grows vegetatively but drops fl