Garden hybrid

This is a garden hybrid, bred from more than one wild species, so it has no single species page of its own.

153 other cultivars

shrub

Blaze Improved Rose

Rosa x hybrida 'Blaze Improved'

$24.14

The Story

Plant Bio

'Improved Blaze' is a popular climbing rose known for its vigorous growth and clusters of bright red, semi-double flowers. It is a repeat bloomer, providing color from late spring to fall.

This cultivar is particularly noted for its continuous blooming throughout the summer, producing clusters of bright red flowers.

Uses & Benefits:

Vivid, fragrant flowers add color and scent to gardens.

Provides natural privacy and attracts pollinators.

Supports bees and beneficial insects, improving garden biodiversity.

Garden hybrid

Bred from more than one wild species, so it has no species page of its own.

Essentials

At a Glance

Plant Type

Shrub

Height

156 inches

Width

96 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9, 10

Water

Moderate, keep soil moist

Humidity

Prefers moderate humidity

Lifespan

10+ years

Native To

Hybrid, cultivated

Toxicity

Non-toxic to humans and pets

Marketplace

Where to Buy

Nature Hills

In Stock$24.14

Fast Growing Trees

In Stock$71.95

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck well-drained, organic soil around roots for planting.
Position in full sun for optimal flowering and health.
Water regularly, especially during dry spells to keep soil moist.
Prune after blooming to shape and remove dead or diseased wood.
Feed with a balanced fertilizer in early spring and mid-summer.
Mulch around base to conserve moisture and suppress weeds.

Pro Tip

Ensure good air circulation to prevent fungal diseases and promote healthy blooms.

Keep It Thriving

Care Guide

Do

Water deeply once a week 🌱
Prune to maintain shape and remove dead wood
Apply fertilizer in spring and mid-summer
Mulch to retain moisture and suppress weeds

Don't

Overwater, which can cause root rot ❌
Neglect pruning, leading to leggy growth
Use heavy, wet mulch that can suffocate roots
Apply broad-spectrum insecticides without identifying pests

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Pest Check
Prune
Spray

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Fragrant border with vibrant bloomsClimbing hedge for privacy and scentDecorative focal point in garden beds

Companion Plants

Lavender Catmint SalviaAlliums Geraniums

Multiply

Propagation Methods

Good to Know

Common Questions

Blaze Improved Rose questions

What zones can Blaze Improved Rose grow in?

Blaze Improved Rose is hardy in USDA Zones 5–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Blaze Improved Rose deer resistant?

Not reliably. Deer may browse Blaze Improved Rose, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Blaze Improved Rose bloom?

Blaze Improved Rose typically blooms in late spring to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Blaze Improved Rose need full sun?

Blaze Improved Rose does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.