Category Archives: Roses

Our Top 5 Garden Questions

Year after year, our customer service staff members spend as much time taking orders as they do answering questions and offering garden advice. They love to do this, especially because many are avid gardeners. Compiled below are the 5 most common questions they hear at this time of year. From advice on watering plants to pruning Hydrangeas, we hope you’ll find information you can use in your own garden.

The questions and answers here were supplied by Cathy Hughes, the Senior Horticulturist of the Customer Support Center and manager of the staff gardens at our facility in Torrington, CT.

Overwatering can be detrimental to plants. Water only when the soil is dry to a depth of 1″. Always check the soil before you turn on the tap.

Why aren’t the perennial plants I received this spring doing well despite being watered diligently (or religiously)?

Perennial plant material, which includes perennials, trees, shrubs and Roses, needs to be watered well after planting and then watered when the soil is dry to a depth of 1”. If rain is scarce, this generally means one deep watering per week, even in the hotter areas of the country. This is especially true of bareroot plant material. If plants are overwatered while establishing new roots, the quality of the roots will be compromised and the plants will not survive.

Why is the foliage of my perennials (or shrubs) wilting even though I’m watering diligently? Why don’t the plants recover after watering?

The foliage of plants often will wilt during the hottest part of the day as a response to the heat, but this does not mean the soil is dry, especially if conditions also have been humid. Always check the moisture level of the soil before watering. It should be dry to a depth of 1” before you water again. It’s important to remember that decorative mulch holds moisture in the soil. If the soil is staying too wet, it’s always best to temporarily remove the mulch from the base of the plants and gently cultivate it the soil to aerate it. This should be done after every rain until the plant recovers.

The foliage of Phlox ‘Robert Poore’ is covered in powdery mildew. The plants need to be cut at the base and removed and discarded (not composted) or the mold will return in spring to re-infect the plants. Powdery mildew won’t inhibit the blossoms, but it’s not much to look at.

What’s the white coating on the leaves of my perennials (or vegetable plants)?

It’s the disease powdery mildew, and it can be controlled with neem oil, which is applied as a foliar spray. While the foliage looks unsightly, the overall vigor of the plant will not be affected. If possible, it’s also important there be good air circulation between plants and that all infected plant material be collected, bagged and discarded in the garbage in the fall. Do not compost this material.

What’s causing the holes in the leaves of my Roses?

If the damage results in a skeletonizing effect to the foliage (the leaf tissue between the large veins is eaten away), the damage could be caused by the larval stage of Rose sawfly (here in Zone 5 we begin scouting for this insect around Mother’s Day) or Rose chafers. Later in the season thrips may be the culprits. All of these insects can be controlled with a neem oil or Monterey Garden Insect Spray, or any insecticide recommended for Roses. While this damage is unsightly, it will only affect the overall health of the plant if the infestation is severe and is left untreated.

Hydrangea Endless Summer(R) blossoms on old and new wood. At the end of August, prune back some of the stems if the plant is growing too tall.  Remove some of the oldest stems at ground level to thin out the shrub as needed. In spring, prune out only dead wood once new growth emerges.

When do I prune my Hydrangeas?

The pruning of Hydrangeas depends upon whether they bloom on old wood, new wood, or both. Click here to visit our Grow Guide, which outlines how to prune different varieties.

 

 

A Visit to Elizabeth Park

The sky was full of thunder on the afternoon we visited Elizabeth Park in Hartford and West Hartford (the park straddles the border between the two towns), but the moody sky and gusting wind only added to the drama and loveliness of being there.

8. Rows of colorful coleus form a rectangular frame around a lollipop-shaped Hibiscus standard
Rows of colorful coleus form a rectangular frame around a lollipop-shaped Hibiscus standard.

Set on 101 acres, the park is an oasis of land that was deeded to the city in the late 1800s by Charles Pond. While Pond’s property already featured specimen trees and other existing plantings, the city expanded on his vision to create what is regarded as a “botanical park.” Swiss-born landscape architect Theodore Wirth, who had designed gardens in Paris and London, was commissioned to create formal Victorian gardens including the park’s world-renowned Rose Garden.

Rose 'Moonstone'
Rose ‘Moonstone’

Elizabeth Park opened to the public in 1897, and the Rose Garden was christened in 1904. The Rose Garden was and remains the country’s first-ever municipal rose garden, and today it ranks as the third largest. It’s just one of the horticultural attractions at the park, which also include an Annual Garden, a Perennial Garden, a Shade Garden, a Heritage Rose Garden (for exceptionally old rose varieties), and various gardens designed and maintained by local and regional horticultural societies.

2. The Elizabeth Park gazebo was originally built in 1904 and reconstructed in 2005 using red cedar and the
The Elizabeth Park gazebo was originally built in 1904. It was reconstructed according to the original design in 2005.

Our visit was timed for peak season in the Rose Garden. Wirth’s original design created an acre-sized square with a center circle and eight pathways radiating from a gazebo. Today’s garden retains his design, but it’s been expanded to bring the total number of acres to 2.5 with 475 beds. The original Rose Garden featured 190 varieties of roses, and that number has grown, too. According to the Elizabeth Park website, there are now 800 varieties of roses, a mix that includes old and new types in a range from hybrid teas to floribundas, and climbers to shrub roses.

3. The Rose Garden contains more than 800 varieties of roses, a mix of old and new that includes a broa
The rose garden contains more than 800 varieties of roses, a mix of old and new.

As we strolled and sniffed our way along the garden beds, clusters of people milled around us, taking pictures and quite literally taking the time to smell the roses.

7. The planting style in the Annual Garden is very formal with colorful beds of annuals planted with regime
A formal style of planting can be seen in the Annual Garden at Elizabeth Park

Adjacent to the Rose Garden, the Annual Garden was also attracting plenty of attention with its colorful, formally planted flowerbeds. In spring, the beds are filled with more than 11,000 tulip blossoms. When the blooms subside, the tulip bulbs are dug up, bagged, and sold to the public. The beds are then planted with artful displays of annuals, which have been grown from seed in the park’s greenhouse.

4. Rosa 'Strike It Rich'
Rose ‘Strike It Rich’

Today, Elizabeth Park remains open 365 days a year, welcoming locals and visitors who walk, picnic, practice yoga, take in entertainments including music concerts and movies, and, of course, spend time in the gardens. Plan a visit yourself, and enjoy the beauty of this lovely urban oasis.