Author: Nettie Collier

Tulip poplars are one of Pennsylvania’s most beloved native trees. Tall, elegant, and striking in bloom, they’re a familiar presence in woodlands, parks, and residential yards across the state. But an invasive pest has been quietly moving through Pennsylvania tulip poplar populations, doing significant damage before most homeowners have any idea something is wrong. That…

Pennsylvania is a big state with a lot of different growing conditions packed into it, and nowhere is that difference more apparent than when you start comparing what works in the Pocono Mountains to what works in Philadelphia. The same hydrangea variety, planted with the same care and intentions, can behave in completely different ways…

Living near a busy Pennsylvania street comes with a trade off that most urban and suburban homeowners learn to accept. The convenience of the location balanced against the constant background noise, the exhaust, and the particulate matter that traffic generates every single day. Most people plant privacy hedges to block the view and call it…

Few butterfly encounters in a Pennsylvania garden feel quite as special as an Eastern tiger swallowtail. That bold yellow and black wingspan, the unhurried way it moves from flower to flower, the sheer elegance of watching one navigate your garden on a warm summer afternoon. A single visit is memorable. But when the same butterfly,…

There’s something quietly powerful about a cardinal appearing in your Pennsylvania garden at dawn. That brilliant red against the soft early morning light, the bird perched and perfectly still before the yard has fully come alive for the day. Most people who experience it find themselves pausing longer than they expected, held by a moment…

You notice something unusual on one of your Pennsylvania trees. A mass of winged insects clustered together in numbers that stop you mid-step. They’re not scattered randomly. They’re concentrated, deliberate looking, and numerous enough to make you reach for your phone before you’ve fully processed what you’re seeing. If you’ve noticed this recently, you’re not…

There are plants that look good on a patio, and then there are plants that transform the whole experience of being out there. The kind of plant that greets you the moment you step outside, drifts through open windows on a warm evening, and makes your outdoor space feel like somewhere genuinely special rather than…

Native woodland plants occupy a special place in Pennsylvania gardening. They’re the plants that bring shaded garden beds and woodland edges to life in ways that sun loving ornamentals simply cannot. The right native woodland plant doesn’t just survive in low light. It thrives in it, blooms at just the right moment, and creates the…

After a heavy Pennsylvania rain, you step outside and find your driveway covered in earthworms. Dozens of them. Sometimes hundreds. Stretched across the pavement in every direction, some still moving, others already dried out from the sun. It’s one of those backyard phenomena that most people have seen but few have ever stopped to actually…

By July, most Pennsylvania homeowners have settled into their summer lawn routine. Water when it needs it, mow on schedule, deal with whatever comes up. It feels like enough. And for most of the season, it holds together reasonably well. But September has a way of revealing exactly what went wrong in July, and for…

Pennsylvania thunderstorms have a way of arriving faster and hitting harder than the forecast suggested. One minute the sky looks manageable, and the next you’re watching the wind pick up and wondering whether everything in your garden is going to make it through the next hour. For most plants, a summer storm is just part…

Native fruit trees occupy a very specific and very rewarding space in the Pennsylvania gardening world. They offer something commercial orchards and standard nursery selections simply cannot match. Flavors that are deeper and more complex, ecological value that supports local wildlife at every level, and a connection to the Pennsylvania landscape that ornamental trees and…

Mountain laurel is one of Pennsylvania’s most iconic native plants. That spectacular late spring bloom tucked into shaded woodland gardens and hillsides is a sight that defines the Pennsylvania landscape in a way few other plants can match. But across the state, mountain laurel is under threat from an invasive insect that is spreading through…

There comes a point in every serious Pennsylvania gardener’s journey when the local nursery stops being enough. The same ornamental trees, the same familiar selections, the same plants you could find at any big box garden center on any given weekend. If you’ve been hunting for something rarer, more ecologically valuable, or just genuinely harder…

The Eastern tiger swallowtail is one of Pennsylvania’s most beloved butterflies. That bold yellow and black wingspan, the way it floats deliberately from flower to flower, the sheer size of it compared to most other garden butterflies. When one lands nearby, most people stop whatever they’re doing just to watch. And if you’ve been wanting…

The emerald ash borer is one of those insects that does its most serious work completely out of sight, which is a big part of what makes it so challenging to catch in time. This small metallic-green beetle has been reshaping Pennsylvania’s tree canopy since it was first detected in the state in 2007, and…

Stormwater runoff is one of those problems that most Pennsylvania homeowners know exists but rarely think about as something they can personally do anything about. Heavy rain hits, water sheets off driveways and rooftops, and it flows wherever gravity takes it, often carrying pollutants into local waterways and overwhelming drainage systems that were never designed…

Hydrangeas are one of Pennsylvania’s most beloved garden plants, and for good reason. Those big, lush blooms in summer are hard to beat. But during a heat wave, even the most established hydrangea can start showing signs of serious stress. Wilting in the afternoon, drooping leaves, flowers that look tired and bleached. The instinct is…

July is not the month most Pennsylvania gardeners associate with starting seeds, and that assumption is actually worth questioning. For certain native wildflowers, midsummer is a genuinely useful window, whether that means sowing into protected containers or beginning a cold stratification process ahead of fall. Other species benefit from a longer establishment period before winter…

If there is one native plant that Pennsylvania gardeners consistently underestimate, serviceberry is a strong candidate for the top of that list. Serviceberry puts on a white flower show in early spring before almost anything else in the yard wakes up, then follows that with sweet edible fruit that birds will absolutely compete with you…

Vines have a way of adding drama and height to a yard that almost nothing else can match. But not every Pennsylvania yard has a fence, trellis, or wall in exactly the right place. That’s where container growing changes everything. The right vine in the right pot can transform a plain patio, a bare corner,…

Chipmunks are one of those backyard presences that most Pennsylvania gardeners take for granted. That quick, striped dash across the patio, the cheeks stuffed impossibly full, the way they pause and look around with alert little eyes before disappearing into the garden. They become part of the rhythm of your outdoor space without you ever…

You look out the window and your lawn is covered in robins. Not just one or two hopping around in the usual way, but a whole flock moving across the grass with clear intention, heads tilting, bills probing the ground. It’s one of those backyard wildlife moments that stops you mid-coffee and makes you genuinely…

Something interesting happens when Pennsylvania homeowners stop mowing a strip of lawn and just let it go. The first season it looks a little rough, if we’re being honest. But by the second season, native plants start showing up that nobody planted. By the third, that unmowed strip can look like something a landscape designer…

Water restrictions may feel more like a Western states problem, but Pennsylvania has been experiencing drier summers with increasing regularity, and gardeners across the state are starting to pay attention. If you’ve been thinking about replanting with drought tolerant natives, the time to start making those changes is now, before another difficult summer reveals exactly…

South facing walls in Pennsylvania take a beating during summer. They absorb heat all day, radiate it back into the house well into the evening, and can raise indoor temperatures in ways that keep air conditioning working harder than it needs to. Most homeowners either accept it or invest in shading structures that are expensive…

Rhododendrons are one of Pennsylvania’s most cherished garden plants. That spectacular spring bloom, the glossy evergreen foliage year round, the way a mature rhododendron anchors a shaded garden bed like nothing else can. But across the state, gardeners are watching their rhododendrons decline in a way that’s both confusing and deeply frustrating. The blooms never…

Most Pennsylvania gardeners know oakleaf hydrangea exists. Fewer of them are actually growing it. And that gap between awareness and action is one of the most puzzling things in native plant gardening, because this shrub delivers something that very few plants of any kind can honestly claim. Genuine four season interest. Not just one good…

A shrub that spreads itself sounds like exactly the kind of thing most gardeners want to avoid. The word “spreads” alone is usually enough to send experienced plant people in the other direction. But every now and then a plant comes along that genuinely earns the right to spread, because what it does as it…

The edge where your sunny lawn meets a garden bed, a fence line, or an open border is one of the most common places Pennsylvanians encounter ticks. That transitional zone is exactly where ticks like to wait, positioned to catch people and pets moving between spaces. Most homeowners either spray these areas regularly or just…

A bare fence is one of those yard features that’s easy to live with temporarily and then suddenly impossible to ignore. You keep meaning to do something about it, and then another season passes and it’s still just sitting there, doing nothing for the look of your outdoor space. If that sounds familiar, July is…

Pittsburgh and Philadelphia both sit in Pennsylvania, but gardening in one does not automatically translate to gardening in the other. July makes that difference pretty clear. Western Pennsylvania gardens deal with elevations and inland conditions that can bring earlier first frosts than Philadelphia typically expects, and that single detail shifts a surprising number of summer…

Late July is not exactly the moment most Pennsylvania gardeners look at their perennial beds and think, great time to start digging things up. The heat is real, the humidity is doing its thing, and the occasional dry stretch rolling through summer does not exactly make transplanting feel like a smart idea. For most perennials,…

A pileated woodpecker showing up in a Pennsylvania yard has a way of stopping people in their tracks, and honestly that reaction makes complete sense. These are large, crow-sized birds with a bold red crest that looks almost too dramatic to be real, and spotting one feels more like a wildlife encounter than a backyard…

Anyone who has spent a Pennsylvania summer without enough shade knows exactly how much difference a good tree makes. The right shade tree doesn’t just look beautiful. It genuinely changes the temperature of your outdoor space, reduces the heat load on your home, and turns your yard into a place you actually want to spend…