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 the fastest during the summer and with just a little extra TLC, summer can be 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 […]

10 Shade Trees We Love

These 10 trees have stolen our gardening hearts this spring…

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 […]

November and December Garden Checklist for Northern Colorado

Download this article as a PDF Northern Colorado’s winter weather is rarely predictable. From warm sunshine, to frequent snow storms and freezes, the temperatures and the weather conditions in our area present unusual gardening challenges. In order to stay ahead of these challenges, flexibility is the key. Use the following tips to help guide your […]

September and October Garden Checklist for Northern Colorado

Download this article as a PDF We’ve wiped the sweat from our brow and now stand in a cooler sunshine! Yeah! Autumn has arrived. If you are of my mind, September and October means you watch for cloudy skies and the first flakes of snow…YIKES! Many people are not that crazy about snow, so let’s […]

July and August Garden Checklist for Northern Colorado

Download this article as a PDF As you know, gardening can be a year-round challenge in the wild, wild west (aka the “Front Range”) so be prepared to give your plants a little extra TLC when the weather has been hot and dry for long spells. Many plants will burst with color and growth this […]

May and June Garden Checklist for Northern Colorado

Download this article as a PDF May is the month that our garden senses really start to warm up. We can hardly wait for the moment to view our garden fully planted! Of course, Mother’s Day weekend and the average last date of frost for Northern Colorado fall closely together around May 15. As we […]

March and April Garden Checklist for Northern Colorado

Download this article as a PDF Get ready for spring! The months of March and April bring much needed moisture, longer days and warmer overall temperatures to Northern Colorado. Like most gardeners, you may be itching to get outside and plant this time of year, but keep in mind that the average last date of […]

January and February Garden Checklist for Northern Colorado

Download this article as a PDF Temperatures typically dip to their lowest during the months of January and February across the front range. Average low temperatures for Northern Colorado range from 15-19F with high temperatures ranging from 43-47F. Additionally, our area is known for its ‘semi-arid’ climate. Combine low temperatures and dry conditions, and you […]

3 Steps to Planting Shrubs

Download this article as a PDF Most shrubs are in containers. This makes the roots grow in a circle. So we recommend cutting the roots about 4 to 6 times around the root ball. This will help the roots get a good start and promote growth. Next, dig a hole that is 6-12” wider than […]

5 Steps to Planting Trees

Download this article as a PDF To Start planting find a good location for the size of your tree. Knowing the mature size will help you pick the right spot. Once you have a spot, then determine how you will be watering the tree. Trees naturally grow in higher spots in the yard where the […]

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 then 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 […]

Planting for Beauty and Privacy

If you need privacy in your yard but cannot install a fence, you have plenty of options. We have a great selection of deciduous and flowering shrubs, evergreen shrubs, vines, and tall grasses that can help you turn your property into a secluded retreat. Evergreen Shrubs for Hedges Wichita Blue Juniper- Thick and full with […]

The Benefits of Planting Trees

“A nation that destroys its soils destroys itself. Forests are the lungs of our land, purifying the air and giving fresh strength to our people. ” ― Franklin D. Roosevelt Clean the Air, Cool the Earth, Enjoy Life: Plant a Tree There are so many reasons to plant trees, such as for their beauty and […]

Broken Tree Limbs After The Storm

Anyone who has lived in Colorado will tell you, the weather here is crazy! When heavy spring snow hits, significant damage on established tress is a dire possibility. Cottonwoods, poplars, willows, green ash and elms are particularly susceptible to breakage because they have softer wood. However, with high enough wind speeds or heavy enough snow […]

Protect Your Garden Against Springtime Freezes

When the air temperature dips below 25° F for at least four hours, it could wreak havoc on your emerging spring garden. The weather in Colorado is crazy, to say the least, and gardeners who live on the Front Range learn that long stretches of warm days can be followed by a dramatic dip in […]

Early Spring Planting

EARLY SPRING PLANTING Posted on March 10, 2016 at 10:50 pm by Gulley Greenhouse and Garden Center / Annuals, Edibles, Perennials, Seasonal Garden Care, Seeds & Bulbs, Soils & Amendments, Trees & Shrubs / 0 Spring is in the air and you can’t help but to want to start planting your garden. It is possible to start planting well before the last frost date, even in Colorado! There are […]

Top Things to Do In Your Garden… Early Spring

Spring time is the time to begin thinking about your garden. Learn some tips and solutions for many gardening problems. PREPARE YOUR SOIL Give your garden soil the energy it needs to sustain bountiful crops by preparing it now. Using last year’s soil with out adding in new nutrients is like asking a racecar driver […]