Rescuing a Rotting Cactus: Base Rot Treatment and Propagation

Identifying Base Rot in Columnar Cacti A shriveled, soft, brown base extending several inches up the stem indicates rot—often from overwatering, poor drainage, or cold damage. If caught early (only lower portion affected

How to Separate and Propagate Aloe Vera Pups Successfully

When and How to Remove Aloe Offsets Aloe vera pups (offsets) can be separated once they have developed their own root systems and are at least 3–4 inches tall. The best time is during active growth (spring or fall). Ste

Saving a Sunburned Aloe Vera: Recovery Tips

Understanding Aloe Vera Sunburn Moving an aloe vera plant directly into intense sunlight after it has been growing indoors is a classic mistake. The plants tissues arent acclimated to direct UV exposure, resulting in sun

Saguaro Arm Drop & Trunk Cracks: Causes and Care

A homeowner reported that their 20-foot saguaro had one arm swing down 10 years ago, and recently two more arms dropped—one tearing off completely. A vertical crack also appeared from the base to mid-trunk. They wondered

Why Your Moon Cactus Lost Its Red Top & What to Do Next

Kevin had kept a grafted moon cactus (a bright red Gymnocalycium atop a green Hylocereus rootstock) for 12 years. The red top eventually dried up and turned brown, while the rootstock sprouted long arms with aerial roots

Identifying a Fast-Growing Columnar Cactus: Cereus repandus

A reader named Manny wrote in with a puzzling cactus that had shot up over 30 inches in just four months, reaching 54 inches tall. The plant was columnar, starting with six ribs at the base and transitioning to four ribs

Mature Jade Plant Leaf Drop: Normal Aging vs. Pest Issues

A large, old jade plant (2 ft tall, 2.5 ft wide) drops leaves with shiny glitter-like residue after drying. Owner waters only when completely dry. Questions about repotting. Assessment Normal leaf aging: Older leaves n

Caring for Gift Agave and Cactus in Phoenix: Sun, Water, and Acclimation

New Phoenix residents received an agave and cactus as housewarming gifts. Owner placed them on a sunny balcony, assuming native plants tolerate full desert sun. Asks about watering and optimal care. Critical Misconcepti

Identifying Haworthia: Distinguishing attenuata vs. fasciata

A 3-4 inch Haworthia with triangular dark green leaves, bold white markings on leaf undersides/outsides, and small white spots on upper surfaces. Owner debates between H. attenuata and H. fasciata, wondering about hybrid

Aloe Vera Scale Insect Infestation: Identification and Treatment

A young outdoor aloe vera in Florida developed tiny, dry, sesame seed-sized brown spots on lower central leaves. Plant was previously thriving with three new leaves. Diagnosis: Scale Insects The description matches scal

Barrel Cactus Root Rot: Diagnosis and Limited Options

A small desk cactus (likely Ferocactus) in Australia developed soft, mushy base tissue over a weekend. The owner hasnt overwatered and tried a tiny amount of water. Top still appears healthy. Grim Reality Barrel cacti w

Saving a Rat-Damaged Columnar Cactus: Cutting and Re-rooting

A tall columnar cactus had its lowest 8 inches chewed by a packrat, leaving a bare woody stem. Now the top 4 inches are graying. The owner asks if cutting out the healthy 18-inch middle section for re-rooting is viable.

Hens and Chicks (Sempervivum) Heat Stress and Leaf Loss

Transplanted hens and chicks (Sempervivum) show yellowing lower leaves that detach easily after a week of 100°F+ temperatures. Plants are in full sun with sentimental value (grandmothers plants). Understanding the Probl

Propagating Night-Blooming Cereus (Cereus peruvianus) from Cuttings

A 9-foot tall, 8-year-old cactus blooms once annually with large white orchid-like flowers opening at night. The owner seeks propagation methods and notes the plants suspected Peruvian origin. Identification This is lik

Aloe Plant Black Spots: Insect Damage, AC Stress, and Treatment

A healthy indoor aloe developed black spots within a week. The owner suspects air conditioning drafts. Questions include whether cutting affected leaves promotes regrowth. Likely Causes Sucking insects: Scale, mealybug

Separating Root-Bound Agave Pups: Techniques and Root Requirements

A severely root-bound agave with multiple pups needs division and repotting. The owner asks how much root is needed for survival of both mother and pups, and whether cutting/ripping roots during separation kills the moth

Jade Plant Losing Leaves: Overwatering, Light Issues, and Recovery

A previously healthy jade plant (Crassula ovata) has begun dropping several leaves daily. The owner suspects overwatering (weekly schedule) and has moved the plant to direct sunlight while reducing water. Leaves remain g

Golden Barrel Cactus Turning Yellow-Brown: Causes and Solutions

An 11-inch golden barrel cactus (Echinocactus grusonii) has developed yellowish-brown discoloration on its lower half, with darkened spines and shriveled ribs. The affected tissue remains firm. The plant was occasionally

Transplanting Large Century Plants (Agave) with a Front-End Loader

Moving Mature Agaves on a Tractor Plants are clumped, sharp-spined, on rocky clay. Plan to scoop with loader, transport, plant on sandy clay mounds, oriented N/S. Root System Agaves have shallow, spreading roots like pal

Rooting a Broken Christmas Cactus Limb

Main Limb Broken at Joint Can the whole limb be rooted, or must individual leaves be used? Limb Rooting Method Let broken end callus (heal) for 1 week. Plant 3–4 inches deep in soil. Keep slightly moist, not wet. Roots