Rosa (radwhite)

Rosa (radwhite) Care

Rosa 'radwhite'

What is the plant

Rosa 'Radwhite' White Knock Out Rose. Dark green foliage with single white flowers. Moderate leaf spot resistance. From the creator of Knock Out Rose. Own root. Height: 3-4 ft Width: 3-4 ft Soil Conditions: Moist/Well Drained Flower Color: White Bloom Time: May, Jun, Jul, Aug, Sep. Rosa 'Radwhite' syn. Rosa 'White Knock Out' Rose 'White Knock Out' (Shrub) These hardy deciduous shrubs are hybrids between the species and old roses. They are of informal habit reaching a height and spread of 5 feet. The flowers can be single or semi-double and open flat out.

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Humidity

Normal

Lighting

Full Sun

Hardiness zone

5 - 9

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
Try watering a few mornings a week - water slowly at the base of the plant, until the soil is wet 12 to 18" deep. Soaker hoses are helpful and prevent water from splashing onto foliage.
Pruning
You can also trim back the yellow leaves for a cleaner look.
Fertilizer
Nitrogen, the first number on a bag of fertilizer, is the key nutrient for established roses. Using a higher rate of nitrogen and lower amounts of phosphorus and potassium are best. Examples of fertilizers to use are 27-3-3 or 25-5-5.

Disease diagnosis

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Sunlight
Most rose bushes need at least six to eight hours of sunlight each day to bloom and perform well. In shaded areas, roses tend to bloom less than roses in sunny sites, and they tend to become tall and spindly.
Soil
Roses need a soil that drains well but holds moisture long enough for the roots to absorb it. 1 A loam soil is ideal—too much clay and the roots can become waterlogged, but a sandy soil will drain before the roots can get a good drink.
Temperature
With the required inherent cold hardiness or tolerance to extreme heat, certain rose bush varieties can survive exposure to temperatures ranging from -40°F to more than 100°F.