Much like its name suggests, this plant has show-stopping blooms.
With their long stems, they are naturals for inclusion in cutting gardens.
If possible, position them so you might enjoy their fragrance throughout the day and into the evening.
Michael Mckinley.
Grandiflora Rose Care Tips
With the right water and sun, grandiflora roses are easy-care plants.
Soil and Water
Grandiflora roses should be plantedin well-drained, loamy soils with a pH near 7.0.
This reduces the possibility of diseases.
Credit: Denny Schrock
Temperature and Humidity
The ideal temperature for grandflora roses is 70oF.
For the proper amount to use, follow product label instructions.
Remove any old, dead growth and diseased wood.
Credit: Doug Hetherington
Long, vigorous shoots can be cut back to four to six buds from the base.
This will encourage new growth from the base of the plant and can also increase airflow.
Deadhead roses throughout the season to promote new budding and blooming.
Credit: Doug Hetherington
The process ofpotting and repottingroses is similar to planting them in the ground.
One of the worst is black spot, afungal diseasethat causes dark spots on the foliage.
In many climates, black spot is almost inevitable for rosebushes.
Credit: Doug Hetherington
Mildews are also troublesome, including powdery and downy varieties.
Control these as you would black spot.
Rosette disease is aserious problemthat spreads throughout regions.
Credit: Doug Hetherington
If you suspect this is a problem in your garden, contactRoserosette.orgfor advice and help.
How to Propagate Grandiflora Rose
Gardeners canpropagate roses with stem cuttingsof their favorite plants.
However, the fragrance and flowers might be similar.
Credit: Richard Baer
When a rose is patented, propagating it before the patent expires is illegal.
The best plants forpropagating rosesare relatively new ones with less-woody stems that can be easily cut.
After a stem has bloomed, take a 12-inch cutting from the tip.
Credit: Michael Mckinley
Remove all buds and leaves except for the top two leaves.
Put the cutting in the hole, being careful not to rub off much of the rooting powder.
In about two weeks, softwood cuttings will begin to root.
Credit: Peter Krumhardt
Test by removing the plastic bag and gently tugging on the top leaves.
Resistance indicates rooting has started.
you’ve got the option to also check to see if roots show in the drainage hole.
Credit: Ed Gohlich
If rooting has started, remove the plastic bag.
After the cutting develops a robust root system, it can be planted in the garden.
Gardeners need to be patient with both successful propagation and the time it takes for new plants to grow.
Credit: David Speer
Hardwood cuttings take up to two months to root and have a lower success rate than softwood cuttings.
Either way, it takes a few years for the plant to flourish.
Black-red buds spiral open to show off creamy pink and magenta flowers.
Large, clear-pink, urn-shaped blooms begin opening in early summer and continue until frost.
The vigorous plant has an upright growth habit with glossy dark green foliage.
It grows 5 feet tall and 4 feet wide.
It displays its colors most dramatically in cooler temperatures and has a sweet, fruity fragrance.
The tall, vigorous plant grows 4 to 5 feet tall.
The plant grows 4 to 5 feet tall.
The semidouble blooms have a moderate fruity fragrance.
Plants reach 6 feet tall with an upright growth habit.
Zones 5-9
‘Radiant Perfume’ Rose
Rosa’Radiant Perfume' is an amazing display of color and fragrance.
The big golden-yellow blooms have a citrus scent.
Plants reach 5 feet tall and wide.
The flowers have a light, spicy fragrance.
Foliage is disease-resistant on plants that grow 4 to 5 feet tall.
Appearing one per stem or in clusters, the blooms hold up well in cut bouquets.
Foliage is dark green on tall, upright plants that reach 5 feet tall and 2-1/2 feet wide.
It’s an award-winning variety that grows 4 feet tall.
Zones 6-9
Frequently Asked Questions
Grandiflora roses can grow as tall as 6 feet.
From their floribunda parent, grandiflora roses have multiple blooms per stem, unlike hybrid tea roses.
