Tree Health Check: Your Annual Inspection Guide for Puerto Rico

Trees on this island live a hard life. Salt air, saturated soil in the wet months, drought stress in the dry season, and a hurricane season that tests every branch from June through November. A tree that looks fine from your porch can be quietly failing at the roots or hiding decay inside a limb. An annual walk-around catches those problems while they are still cheap and safe to fix.

You do not need to be an arborist to do a first pass. You need a routine, a good eye, and a sense of what a healthy tree looks like. Here is how we teach homeowners to inspect their own trees, and when to bring in a professional.

When to do your annual inspection

The best time to inspect in Puerto Rico is the dry season, December through April. Two reasons. First, the weather is stable, so you are seeing the tree under normal conditions instead of storm stress. Second, and more important, it puts you ahead of hurricane season. If you find a weak limb over your roof in February, you have months to deal with it calmly. Find it in September and you are competing with everyone else on the island for a crew.

Do a quick second look after any major storm, even if the tree seems untouched. Wind loosens roots and cracks unions in ways that do not always show right away.

You do not need special equipment for a first pass - good light, a rubber mallet or a stick to tap the trunk, and a phone to photograph anything you want to track year over year. Those dated photos are the single most useful tool a homeowner has, because tree problems are about change over time. A lean, a crack, or a thinning crown is far easier to judge when you can compare this year's photo to last year's.

Start at the ground: roots and base

Most catastrophic tree failures start below your feet, so start there.

• Look for lifting or cracked soil on one side of the trunk. A mound of raised earth or a gap opening at the base often means the root plate is shifting - the tree is starting to lean under load. This is one of the most serious signs there is.
• Check for mushrooms or shelf fungus growing on the roots or against the trunk base. Fungal fruiting bodies mean the wood underneath is likely decaying. In our humid climate this is common and easy to miss under leaf litter.
• Feel for soft, spongy, or hollow wood at the base. Tap the trunk with a mallet or your knuckles. A healthy trunk sounds solid; a hollow one sounds like a drum.
• Note any exposed or severed roots, especially near recent construction, a new driveway, or trenching for utilities. Cut roots on one side remove anchorage on that side.

Ceibas, mango trees, and mature flamboyanes develop wide surface roots here. Buttressed roots are normal and healthy for those species - what you are watching for is change, decay, and movement, not the roots themselves.

Move up the trunk

Walk a full circle around the trunk and look at it as a structure.

• Vertical cracks or seams running up the bark can indicate an internal split. A crack that opens and closes as the tree moves in wind is a serious defect.
• Bark that is peeling, missing, or discolored in a patch may mean the wood beneath has died - a canker or a wound that is not healing.
• Cavities and old wounds. A sealed-over wound is fine. An open cavity that holds water is an invitation for decay, especially in our rainfall.
• Lean. Most trees lean a little. What matters is a new or worsening lean, or a lean paired with the soil-lifting you checked for at the base. A tree that has always leaned and shows solid roots is usually stable.

Look into the canopy

Now step back far enough to see the whole crown against the sky.

• Deadwood. A few dead twigs are normal. Large dead branches, or a whole section with no leaves while the rest of the tree is full, signal a real problem - and those dead limbs are the ones that come down in the next storm.
• Thin or off-color foliage. A canopy that is sparse, yellowing, or leafing out late compared to neighboring trees of the same species is telling you the tree is stressed.
• Crossing and rubbing branches wear away bark and create entry points for decay. These are easy to prune out early.
• Weak branch unions. Look for places where two stems of similar size grow from the same point in a tight V shape, often with bark pinched inside the union. These "included bark" unions split under wind load. They are one of the most common failure points we see after storms.
• Sprouts along the trunk or main limbs (water sprouts) can be a stress response worth noting, especially if the upper canopy is thinning at the same time.

Palms need a different eye

Palms are not hardwoods and do not show health the same way. For royal palms, coconut palms, and date palms, check:

• The spear leaf (the newest, upright frond in the center). If it pulls out easily or turns brown, that can signal bud rot, which is often fatal and worth a professional look fast.
• Frond color and count. A healthy palm holds a full, green crown. A shrinking crown or heavy yellowing is a warning.
• The trunk for soft spots, oozing, or holes that can indicate weevils or rot.

Resist the urge to strip a palm down to a few fronds. Over-trimming a palm - the "hurricane cut" - weakens it and does not make it safer.

What you can handle vs what needs a pro

Small, reachable deadwood and light crossing branches you can prune yourself if you are comfortable and stay off a ladder with a saw. Everything else on this list - root-plate movement, trunk decay, hollow sounds, large deadwood, weak unions high in the canopy, a new lean, or anything near a structure or power line - is a reason to bring in a professional.

A documented annual inspection also matters if you ever file an insurance claim. If a tree fails and you can show you had it professionally assessed and were acting on the recommendations, you are in a far stronger position with an adjuster than a neighbor who ignored an obvious hazard.

When in doubt, get it looked at

Some defects are invisible from the ground. Internal decay, root loss under pavement, and cracks hidden by foliage take a trained eye and sometimes a climb to find. A professional inspection gives you a written record of your tree's condition, a clear list of what needs attention now versus what to watch, and peace of mind heading into storm season.

If you have a tree you are not sure about - or you would rather have a certified eye do the annual check before hurricane season - call us at (787) 513-9441 or request an orientation. We serve all 78 municipios, we are licensed and insured, and Gustavo sends out a real crew, not a call center.