A Taste of Summer Blooms

From bouquet to plate: Welcome to the delicious world of edible flowers! Many annuals, flowering herbs, and perennials produce blooms that are are safe, flavorful additions to salads, desserts, drinks, and more. Add flowers to rice spring rolls, sprinkle petals on your breakfast yogurt parfait or lunch salad, freeze blooms in ice cubes to brighten up […]

Planting Trees in the Summer

Coloradoans often get scared about planting trees during the hot summer months. The sweltering heat and oppressive dryness make people wonder if it would be better to wait until fall to plant. The truth is that trees’ roots grow fast during the summer and with just a little extra TLC, summer can be a great […]

Growing Tomatoes in a Container

Your chance to have fresh tomatoes from your own plants doesn’t have to depend on your yard space! Many of us do not have gardens or raised beds available to us but with some containers and a sunny spot, we can grow veggies all summer long. Tomato Types “Determinate” tomatoes condense their harvest into a […]

10 great shrubs for Colorado!

When planting a well-rounded landscape, you’ll want to add shrubs to fill in the vertical space between perennials and trees. Not only will this build visual interest, but shrubs also create privacy screens, block noise from streets, give the garden a focal point, and provide wildlife habitat. With so many shrubs to choose from, it […]

The best care for annual hanging baskets

Create blooming vertical layers in your garden and on your porch with colorful hanging baskets! They are a great way to bring color closer to the house. Because they are in a basket instead of the ground they do have different water and nutrient needs, but it’s possible to keep them gorgeous all season long […]

10 Shade Trees We Love

These 10 trees have stolen our gardening hearts this spring…

Roses: What’s in a Name?

When shopping for roses for your garden you’ll notice there are different types listed on the labels. In a garden center like Gulley Greenhouse, the roses are even sorted by type for easier selection. Here is a quick guide you can use to choose which kind of rose is the perfect one for you and […]

Early Spring Planting

Spring is in the air! You can’t help wanting to join the birds outside and start planting your garden. It is possible to start planting well before the last frost date, even in Colorado! There are a number of vegetables, herbs, and flowers that you can plant outside…some of which even prefer the cooler temps […]

Self-Isolation: The Plant Parent Edition

Self-isolating at home for the good of humanity? For the love of all that is still green, people, step back from the watering can. Here are five plant-centric activities for you to do that don’t involve overwatering your plants… 1. Scrub the mineral build up off of your clay pots! That white powder on your […]

Safest Non-Toxic Houseplants for Cats and Dogs

We get a lot of questions about which plants are safe to grow around your pets. Finally you can bring some green into your home without the worry! We do want to preface this list by saying that any plant ingested in large quantities can cause severe problems. If you believe that your animal is […]

Our Favorite Houseplant Instagram Accounts

With over 1 billion users and 100 million photos / videos uploaded each day, Instagram has rapidly become a wealth of information. We love it for the wonderful tips, tricks, and ideas that it gives to houseplant lovers such as ourselves. Whether you have a green thumb, or just love to look at green and […]

Waking Up Indoor Plants for Spring!

If houseplants could yawn, stretch their limbs, and look sleepily around like a bear coming out of hibernation, the end of February would be the time! Days are getting longer, which is noticeable to indoor plants, letting them know it’s time to come out of dormancy. Because you love your plants and are responsible for […]

Starting Seeds Indoors

There are many reasons to start seeds indoors, not least of which is a way to cure spring fever! As well as being an economical way to garden, you will get to witness the miracle of seed germination and it is a great teaching tool for kids. Getting Started The first thing you will need […]

Hanging Houseplants for Any Light Situation!

Running out of space for plants on your shelves and sills? Look up! Just imagine all the available real estate for future hanging jungles. Indoor plants are really having a moment right now and there’s no reason to stop collecting your dream list just because you’ve used up your counter space. No matter what your […]

10 Amazing Aloe Facts!

Our favorite spiky green gem of a houseplant has a history spanning myriad cultures who used the plant’s moist middle to treat many physical complaints. Ancient civilizations, among them the Greeks, Chinese, Egyptians, American Indians, and Meso-Americans, used aloe vera to treat everything from baldness and insomnia, to burns, wounds, and fever. Here are ten […]

Air Plant Care

Tillandsia, commonly known as air plants, are fascinating plants that are among the easiest indoor foliage to grow. But don’t be misled by the name, they do require more care than just air, especially if you’re looking for blooms! Light Air plants should receive bright, indirect sunlight or be placed under fluorescent home/office lighting. Periods […]

Insect Repelling Plants

Most herbs, aside from their ornamental and culinary uses, can also repel mosquitoes and other nasty bugs! Some herbs that you may already have can keep pests off of your patio. Though just having the plants nearby is not enough.For best effectiveness the plants must be crushed to release the repelling oils from the leaves and […]

Pest and Disease Control for Perennials and Roses

Download this article as a PDF Before considering any type of pest management, it is critical to identify the pest or disease before trying to treat it. Often times solutions exist that can control the pest or disease with simple environmental changes. Easy changes in watering schedule or application can affect plant health. To be […]

Beneficial Insects

Lady BugsEat aphids, mealy bugs & other soft bodied insects.Larva resemble tiny black alligators with spots.Release about 1500/750 sq. ft at dusk  and disperse with water.If ants are also present, wrap trunk with tape to prevent ants from crawling up. Praying MantisAre purchased in the form of egg case.Allow about 2 weeks of warm temperatures to […]

Common Insects and How They Attack

AntAnts do not feed on plants but loosen the soil around the roots. They also care for aphids and feed on the “honeydew” secreted by aphids.Dust or spray the plants thoroughly with a powder solution. Make sure you spray the area of infestation at least once every 3 weeks until the problem disappears. AphidAphids are […]

Chemical Applicators

Use separate sprayers for herbicides, pesticides, oil based sprays, etc. ALWAYS label sprayers so you do not mix different kinds of chemicals. Air-O-Matic Sprayer (For wide areas) Put in full strength chemical. Adjust dial to number of teaspoons per gallon. Attach hose and turn on water. Squeeze the trigger and the spray is mixed automatically. Compression/Tank […]

Herbicides and Weed Killers

Weeds are plants out of place. If there are plants growing in your garden that you do not want, use the information below to control them. Nonselective herbicides: Kills all types of plants. Selective herbicides: Kills either broadleaf or grass type. (Specific) Plants should be watered 24 hours before applying herbicide, and not again until 24 hours […]

When and What to Apply

INSECTICIDE destroys insectsFUNGICIDE destroys fungusHERBICIDE destroys herbaceous plantsMITICIDE destroys mites Many of the controls for pests need to be done early, before the “pest” is visible. Most of the pesticides do not perform properly at temperatures below 50 degrees F, above 95 degrees F, or if it rains within 24 hours of application. If using on edible crops, look […]

Spicy Lemon Balm Kabobs

Download this recipe as a PDF 1 clove garlic 1 large onion, sliced into chunks 1 leg of lamb, about 3 lb. boned and cut into 1 inch cubes 2 good handfuls of lemon balm leaves MARINADE 2 fl oz wine vinegar 1 tbsp brown sugar 1 tsp. ground coriander 1 tbsp mango chutney 1 […]

Grilled Chicken with Herbs

Fresh Rosemary, Thyme and sag blend with garlic, olive oil, vinegar and salt for a herb marinade Download this recipe as a PDF Ingredients: 2 tablespoons chopped Italian flat leaf parsley ¼ cup Olive Oil ½ cup balsamic vinegar 2 teaspoons fresh rosemary, minced salt and pepper to taste 2 teaspoon chopped fresh thyme 1 […]

Vegetable Varieties and Tips

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Containerize Your Yard

A Gulley primer to container planting Container gardening is a beautiful and easy way to animate your yard with color, fresh fragrances, leaf textures, sound effects, and fresh produce. As more and more people move into condominiums, townhouses, duplexes and apartments, container gardening may be the only way to combat little to no yard space. […]

Introduction to Fertilizers and Chemicals

Fertilizing doesn’t need to happen during the first month if the plant was purchased in a greenhouse. If the plant is a new seedling, wait a couple of weeks after sprouting to fertilize the plant. Beginning in the second month you can use just about any houseplant fertilizer for any plant. Watch for plant specific […]

Soil Additives

Magnesium is a key element in chlorophyll production. It directly increases the uptake of iron and is most beneficial in the first 4-6 weeks of plant growth. Sulfur promotes larger root growth, aids in chlorophyll production and gives new growth a dark green color. Boron helps form healthy plant hormones and promotes maturity. Copper increases sugar content to improve flavor of vegetables […]

Test Your Soil

Subsoil Drainage Test: Dig a hole in the garden about 12 inches deep and the diameter of a spade. Pour water in the hole to the rim. Refill the hole a day later and observe how long it takes for all the water to soak in. If the water soaks in within a few minutes, […]

The Key to Good Gardening Success

Organic matter Is best used as an amendment rather than a source of fertilizer. In addition to coarse sand, inorganic amendments include calcine clay products, pulverized volcanic rock, perlite and diatomaceous earth. Liquid products break the surface tension of water around the soil particle and allow deeper earth penetration. They do not increase the pore […]

Considering Containers

It’s the age of creative containers for your beloved houseplants! Designers are making stunning pots out of ceramics, metals, woods… and plant lovers are going wild for them. So wild, that we get many wonderful questions each day about sizing and functionality. Sometimes the cutest pot you’ve ever seen doesn’t have a drainage hole but […]

Common Diseases in Lawns

Most diseases are caused by parasitic plants (fungi), which grow best in cool, moist conditions. Plant the right kind of grass to help long-term. Eliminate insect problems as the cause, then purchase the correct fungicides (Liquid, Systemic, Fung-Away, Triple Action) or use products with Daconil. Brown Patch mid-late summer, large irregular circles, edges look water-soaked. Occurs […]

Common Weeds in Lawns

Controlling Weeds Apply herbicides when weeds are actively growing, on moist soil, and application should only be in infected areas (use a post-emergent). Don’t apply if hot or windy, don’t mow for 2 days. Post-emergent herbicides include: contact (kills weeds above ground), systemic (kills weed roots and is most effective), selective (kills certain weeds), non-selective (kills […]

Common Insects in Lawns

Sod webworm Most prominent in Colorado. Grass becomes sparse and dies out in large patches. Two generations each season. Dingy or gray worms with dark spots on backs. During the day they are on the surface in web tunnels and at night they emerge to cut off grass blades. White grubs Occasional infestations, white grubs […]

Fertilizing and Caring for Your Lawn

Soil aerationDuring early spring it is recommended that you aerate your soil, so air, water, and nutrients can reach the grass roots. This allows the roots to grow deeper and gives you a strong, thriving lawn all summer long. Top dress with compostBy spreading a thin layer (1/8”) of compost over your lawn, it will […]

Options for Growing a Lawn

Sowing seed is the cheapest method of lawn production. Choosing seed is very important for the aesthetic look and health of lawn. Make sure the seed matches the climate conditions and your own expectations. It is good to research your choice of seed for your particular site.You need to decide what types of grass you want: […]

Starting a Lawn from Seed

Get to know your yard Measure the area from north to south and east to west. Multiply these two measurements to get your square footage. Your square footage will determine how much seed, fertilizer and soil additive to get. While you are measuring the area you should also make note of how much shade and […]

Common Disease Problems in Roses

For most diseases you can use a fungicide to solve or correct the issue, unless cutting back is the only solution. If you need to cut back your plants, clean your tool blade with rubbing alcohol to avoid the spreading of the disease. Powdery Mildew is from cool nights, warm days and high humidity. The leaves […]

Common Insect Problems in Roses

For many of the common insects you can use Triple Action or Safer Soap, a water based (a gentler product) to control the problem. If the infestation is severe you may want to use a systemic product on your roses and ornamental plants. (note: do not apply a systemic product on any edible plants) Aphids are masses […]

Year Round Rose Care

Learn how to identify Rose Problems. A rose problem is almost always a reflection of the plant’s environment. Conditions such as bad drainage, too little water, poor soil preparation, insects, and diseases can either be remedied or cured from the start. Preventative spraying saves time and money and keeps your plants looking healthier. SPRING Prune roses […]

Types of Roses

Hybrid Teas: When most people think of a rose, they are thinking of hybrid teas. Normally a hybrid tea has a large bloom at the end of a long cane. They are the most popular roses sold at florist shops. They are generally upright growing plants from 3-6 feet and the blooms come in most […]

Keeping the Roots Happy

Healthy Roots Make Healthy Trees The root system of a tree is a store-house for essential food reserves needed to produce spring foliage. Roots absorb and transport water and minerals from the soil to the rest of the tree. They also anchor the portion of the tree above the ground. Where Roots Grow Tree root […]

Common Tree and Shrub Diseases

Perennials, Trees & Shrubs are more likely to be disease-free than annuals or vegetables because they contain a mixture of plants. A specific disease will usually attack a specific plant. Also, diseases will appear if practices such as adding compost, organic matter, mulching, and cleaning up plant debris in fall have not been done.Types of […]

Common Insects in Trees and Shrubs

Careful site selection, soil preparation, adequate and proper irrigation and mulching are some ways to help plants resist pests. Some insect examples are: Aphids – many colors, pear shaped, winged or wingless. Leaves, stems and buds are distorted and sticky, also all females are born pregnant. Beetle, Asiatic – long, brown, velvety. Leaves have irregular holes in […]

Fertilizing Trees and Shrubs

Fertilizers provide nitrogen (N), phosphorus (P), and potassium (K) for your plants. This is the NPK ratio that you will see on bags or packages of fertilizers (ex: 2(N)-2(P)-1(K)). Make sure you know your plant’s needs before dumping just anything on them. Beware not to over-fertilize, which will harm your plants. NITROGEN: “N” Boosts vegetative growth (leaves and […]

Basic Care for Trees and Shrubs in Colorado

Sun It is very important to match plants with their particular sun requirements. One may grow well and flourish in certain areas of your yard, but if it does not get enough (or gets too much) sun it may burn, become floppy, or not bloom. Also remember that trees always keep growing and you must […]

Winter Watering in Colorado

Why water in the winter? Winter in Northern Colorado is an undeniably beautiful time of year. Landscapes and stunning mountain ranges are blanketed in snow, the sun typically shines brightly every day and people are in the spirit of the holidays. With so much to see and do, is it really necessary to trudge into […]

Shrubs and Trees for Mountain Communities (6,000 ft – 10,000 ft)

Check soil moisture and drainage, and make sure the sun exposure is correct for the plant. Be aware of the frost-free period. Plant shrubs in early spring, fall and summer planting should be avoided. Gradual exposure to more difficult temperatures will help shrubs considerably. Mulches help to delay freezing of the soil in the fall […]

Ground Covers for Mountain Communities (6,000 ft – 10,000 ft)

The ideal groundcover is one that will form a dense mat of roots and foliage, reduce soil erosion, exclude weeds, and have an attractive year-round appearance. Grasses are an option for cover but mowing or turf maintenance must be taken into consideration. Make sure to plant groundcover further apart rather than close together to prevent […]