Holly vs Knockout Rose

Side-by-side plant comparison — which is right for your garden?

Holly

Ilex opaca

Aquifoliaceae · shrubs

Deer ResistantLow Maintenance

Knockout Rose

Rosa 'Radrazz'

Rosaceae · flowers

Drought TolerantLow Maintenance

Hardiness Zone Range

Holly (Zones 5-9)

Knockout Rose (Zones 5-10)

Overlap: Both grow in zones 5–9

Detailed Comparison

Feature	Holly	Knockout Rose
Scientific Name	Ilex opaca	Rosa 'Radrazz'
Family	Aquifoliaceae	Rosaceae
Category	shrubs	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Acidic, Well-drained	Well-drained
Height	40'	4'
Spread	20'	4'
Bloom Season	Spring	Spring-Fall
Bloom Color	White	Red, Pink
Growth Rate	Slow	Fast
Native Region	Eastern North America	Hybrid (US)
Maintenance	Low	Low

Special Traits

Holly

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Knockout Rose

No — EdibleNo — Deer ResistantYes — Drought Tolerant

Care Tips

Holly

✓Need both male and female plants for berries.
✓One male can pollinate 6-8 females.
✓Prune in winter for holiday decorations.
✓Tolerates heavy shading.

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

Which Plant Is Right for Your Garden?

Choose Holly if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 5–9.

Choose Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

Plant them together? Both overlap in zones 5–9. However, they have different sun needs, so plan your garden layout carefully.

View HollyProfile →View Knockout RoseProfile →

Frequently Asked Questions

Can Holly and Knockout Rose grow in the same hardiness zone?

Holly grows in USDA zones 5-9, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 5 through 9.

Do Holly and Knockout Rose have the same sun and water needs?

Holly needs full sun to part shade and medium water, while Knockout Rose needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Holly or Knockout Rose?

Holly grows taller at 40' compared to Knockout Rose at 4'. Holly spreads 20' while Knockout Rose spreads 4'.

Are Holly and Knockout Rose deer resistant?

Holly is deer resistant, but Knockout Rose is not. If deer are a concern, Holly is the better choice, or protect Knockout Rose with fencing.

Which is easier to maintain, Holly or Knockout Rose?

Both Holly and Knockout Rose have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Holly	Knockout Rose
Scientific Name	Ilex opaca	Rosa 'Radrazz'
Family	Aquifoliaceae	Rosaceae
Category	shrubs	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Acidic, Well-drained	Well-drained
Height	40'	4'
Spread	20'	4'
Bloom Season	Spring	Spring-Fall
Bloom Color	White	Red, Pink
Growth Rate	Slow	Fast
Native Region	Eastern North America	Hybrid (US)
Maintenance	Low	Low

Care Tips

Holly

✓Need both male and female plants for berries.
✓One male can pollinate 6-8 females.
✓Prune in winter for holiday decorations.
✓Tolerates heavy shading.

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

Which Plant Is Right for Your Garden?

Choose Holly if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 5–9.

Choose Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

Plant them together? Both overlap in zones 5–9. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Holly and Knockout Rose grow in the same hardiness zone?

Holly grows in USDA zones 5-9, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 5 through 9.

Do Holly and Knockout Rose have the same sun and water needs?

Holly needs full sun to part shade and medium water, while Knockout Rose needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Holly or Knockout Rose?

Holly grows taller at 40' compared to Knockout Rose at 4'. Holly spreads 20' while Knockout Rose spreads 4'.

Are Holly and Knockout Rose deer resistant?

Holly is deer resistant, but Knockout Rose is not. If deer are a concern, Holly is the better choice, or protect Knockout Rose with fencing.

Which is easier to maintain, Holly or Knockout Rose?

Both Holly and Knockout Rose have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.