Shrubs

'Knock Out White' Shrub Rose

Pink

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Exposure
Full sun or a minimum of 6 hours of direct sun per day.
Hardiness
Zone 4

Discover the plant

Common nameWhite 'Knock Out' hardy rose bush
FamilyRosaceae
GenusPink
CultivarKnock Out White
TypeFlowering shrub
Botanical namePink

‘Knock Out White’ Rose (Rosa ‘Knock Out White’). Clean and robust, the ‘Knock Out White’ rose offers an abundant bloom of pure white single flowers, sometimes subtly tinged with pale pink towards the end of the flowering period. It blooms continuously from spring until the first frosts, requiring no specific pruning or care. With its compact habit of 90 to 120 cm and semi-glossy dark green foliage, which is highly disease resistant, it is ideal for borders, understated mass plantings, low hedges, or contemporary designs. The indicated mature size is 100 cm (40 inches) in height and 100 cm (3.5 feet) in width.

To plant the 'Knock Out White' rose, choose a suitable exposure: full sun or a minimum of 6 hours of direct sun per day. The recommended soil is rich, well-drained soil. Water at the base and allow air to circulate between the branches. Remove dead parts with a clean tool, then adapt pruning to the rose's group. Winter protection depends on its hardiness and the presence of a graft point, if any. Water the root ball before planting it in the ground and ensure water can drain after planting.

Allow a width of 100 cm (3.5 feet) to organize the space for this plant in the garden. The indicated height of 100 cm (40 inches) helps in choosing its position relative to neighboring plants. Keep access to the base for weeding, checking moisture, and removing damaged parts. Associate this variety with plants whose light and water needs are compatible. If you are considering a container, first check that its volume and drainage are suitable for root development. Roots in pots are more exposed to cold than those planted directly in the ground.

Rosier rustique ‘Knock Out White’ (Rosa)

Soil and care

The right care,at the right time.

Minimum temperature

-34°F

Watering

Very drought tolerant once established. Regular watering only the first year or during severe droughts.

Soil type

Rich, well-drained soil

Fertilization

Fertilize in spring with a rose or flowering plant fertilizer. Repeat every 4 to 6 weeks until mid-August. Do not fertilize after this time to allow the plant to fully enter dormancy.

Bloom and dimensions

Its place,in your garden.

Mature height

100 cm (40 inches)

Width / spread

100 cm (3.5 feet)

Flower color

Pure white

Foliage color

Green

Foliage type

Obsolete

Growth rate

Average

Growth habit

Rustic bush

Bloom period

June to September

Wildlife and pets

Life,around your plants.