Saving a Leaning Photinia 'Red Robin': Staking and Pruning

Hello Sam, The lean likely stems from saturated soil and wind. Youve rightly removed heavy branches. Also reduce height by one-third to lessen wind leverage. Dont dig—disturbing wet soil worsens instability. Stake with a

Rescuing Non-Blooming Camellias: Move to Ericaceous Pots

Hello Betty, Three years without growth or blooms in alkaline soil means the camellias are starving. Acidifying in situ rarely works long-term. Dig them up (root balls will be small), pot into ericaceous compost, and pla

Replacing Box Blight Hedges with Escallonia: Complete Guide

Hello Katherine, The dieback sounds like box blight (two fungal pathogens), not gravel contamination. Gravel is washed and chemical-free. The best fix is total removal and replacement with a resistant species. My top pic

Best Time to Plant Container Rhododendron in the UK

Hello Pat, Container-grown rhododendrons can be planted any time the ground isnt frozen. Given this winters severe cold, wait until late March when soil has thawed and begun warming—this encourages rapid root establishme

Photinia Leaf Spot: Fungal Management Plan

Hello Jerry, Black spots and leaf drop on new growth indicate fungal leaf spot. Manage it with: Rake and burn fallen leaves, especially in autumn. In spring, drench the soil 2–3 ft out from the hedge with a fungicide so

Can You Change Lilac Flower Color? No—White Stays White

Hello Candice, Unlike hydrangeas, lilac flower color is genetically fixed. A white lilac will always bloom white—no soil amendment can change it. Enjoy the luminous glow of white blooms at night; theyre magical in moonli

Watering Sweet Broom (Cytisus spachianus) in Phoenix

Hello Mike, Cytisus spachianus needs well-drained soil and full sun. Water deeply during the first growing season; thereafter, its drought-tolerant but appreciates occasional summer water in extreme heat. Mulch with leaf

Tibouchina Dropping Leaves and Flowers: Likely Overwatering

Hello Leslee, Daily wilting despite watering suggests overwatering, not drought. Tibouchina in the ground for 10 years has a deep root system and needs water only every 7–10 days—soil should be damp, not soggy. Stop wate

Why Lilacs Won't Bloom in Memphis: Patience and Chill Hours

Hello Matthew, Common lilacs (Syringa vulgaris) need 800–1,000 chill hours below 45 °F and often take 5+ years to bloom, even in ideal conditions. Your Zone 7a climate provides marginal chilling, and heavy clay—even amen

Korean Boxwood Yellowing: Winter Scorch or Something More?

Hello Phoebe, Yellowing after winter is often just cold-wind scorch. Wait for warmer weather—if new growth emerges green, the plants are fine. Coffee grounds are a mild, safe fertilizer and didnt cause the issue. If yell

Eradicating Invasive Shrubs and Managing Rugosa Rose Suckers

Hello Elizabeth, If digging isnt feasible, apply a proprietary root/stump killer (ammonium sulfamate or glyphosate-based) to freshly cut stumps per label directions. This kills roots without harming surrounding soil or p

Moving an Azalea Next to a Camellia: Root Separation Strategies

Hello Dewey, With only 1–2 ft between the azalea and camellia, their roots are thoroughly intertwined. Attempting to dig the azalea will inevitably damage the camellia. The safest route to save the camellia is to sacrifi

Low Evergreen Shrubs for High-Altitude Colorado Foundations

Selecting Foundation Shrubs at 6,500 Feet in Durango, CO Gardening at high altitude requires plants adapted to intense sun, low humidity, alkaline soils, and extreme temperature swings. Because local conditions are highl

Replacing Dead Arborvitae in Spring vs. Waiting for Fall

Hello Mike, Fall is ideal for planting arborvitae, but since you have gaps now and the surrounding roots havent fully colonized the space, spring replanting is acceptable. Plant replacements as soon as the ground is work

Camellia Sasanqua in a Pot: Leaf Spot, Bud Drop, and Repotting Fixes

Hello Rumana, Black-brown leaf spots indicate camellia leaf spot—a fungal issue treatable with a garden-center fungicide spray. Buds forming but not opening usually means the plant is pot-bound and the compost is exhaust

Non-Invasive Evergreen Shade Trees for Sacramento: Research Resources

Hello Jennifer, Tree selection is outside my specialty, but Ive found two California/Arizona nurseries with useful evergreen tree listings: fast-growing-trees.com (California) – focuses on conifers for evergreen screeni

Fertilizing Hemlocks: Miracid at Half Strength for Acid-Loving Conifers

Hello Keith, Hemlocks (Tsuga) prefer acidic to slightly alkaline soil. Start with a half-strength solution of Miracid (or any fertilizer for acid-loving plants). If foliage yellows over time, gradually increase concentra

Pruning a Newly Planted Cherry Blossom: Removing Damage Now, Shaping Later

Hello Margaret, Although cherry trees (Prunus) are best pruned in late winter or early spring, broken branches should be removed immediately to prevent disease entry. Use a two-step cut: first remove half the branch to r

Growth Rates: Emerald Green Arborvitae vs. Sky Pencil Holly

Hello Betty, Under average conditions: Emerald Green Arborvitae (Thuja occidentalis Smaragd): ~12 inches per year. Sky Pencil Holly (Ilex crenata Sky Pencil): ~9 inches per year. Actual rates vary with sun exposure, so

Rooting Camellia Cuttings Under Mist: Timeline and Success Signs

Hello Betty, Camellia cuttings taken in late summer to late winter typically root in about six months under mist. Expect visible root development by late spring to mid-summer of the following year. The clearest indicator