Foxglove vs Knockout Rose

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

Foxglove

Digitalis purpurea

Plantaginaceae · flowers

Deer ResistantLow Maintenance

Knockout Rose

Rosa 'Radrazz'

Rosaceae · flowers

Drought TolerantLow Maintenance

Hardiness Zone Range

Foxglove (Zones 4-8)

Knockout Rose (Zones 5-10)

Overlap: Both grow in zones 5–8

Detailed Comparison

Feature	Foxglove	Knockout Rose
Scientific Name	Digitalis purpurea	Rosa 'Radrazz'
Family	Plantaginaceae	Rosaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Well-drained
Height	5'	4'
Spread	1' 6"	4'
Bloom Season	Late Spring-Summer	Spring-Fall
Bloom Color	Purple, Pink, White	Red, Pink
Growth Rate	Fast	Fast
Native Region	Europe	Hybrid (US)
Maintenance	Low	Low

Special Traits

Foxglove

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Knockout Rose

No — EdibleNo — Deer ResistantYes — Drought Tolerant

Care Tips

Foxglove

✓Let self-seed for continuous display.
✓Plant in drifts for best effect.
✓Remove unwanted seedlings.
✓Wear gloves when handling.
✓Thrives in woodland edge conditions.

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 Foxglove if you want a low-maintenance plant, and want deer resistance. It thrives in part shade with medium water in zones 4–8.

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 5–8. However, they have different sun needs, so plan your garden layout carefully.

View FoxgloveProfile →View Knockout RoseProfile →

Frequently Asked Questions

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

Foxglove grows in USDA zones 4-8, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 5 through 8.

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

Foxglove needs 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, Foxglove or Knockout Rose?

Foxglove grows taller at 5' compared to Knockout Rose at 4'. Foxglove spreads 1' 6" while Knockout Rose spreads 4'.

Are Foxglove and Knockout Rose deer resistant?

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

Which is easier to maintain, Foxglove or Knockout Rose?

Both Foxglove 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	Foxglove	Knockout Rose
Scientific Name	Digitalis purpurea	Rosa 'Radrazz'
Family	Plantaginaceae	Rosaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Well-drained
Height	5'	4'
Spread	1' 6"	4'
Bloom Season	Late Spring-Summer	Spring-Fall
Bloom Color	Purple, Pink, White	Red, Pink
Growth Rate	Fast	Fast
Native Region	Europe	Hybrid (US)
Maintenance	Low	Low

Care Tips

Foxglove

✓Let self-seed for continuous display.
✓Plant in drifts for best effect.
✓Remove unwanted seedlings.
✓Wear gloves when handling.
✓Thrives in woodland edge conditions.

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 Foxglove if you want a low-maintenance plant, and want deer resistance. It thrives in part shade with medium water in zones 4–8.

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 5–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

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

Foxglove grows in USDA zones 4-8, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 5 through 8.

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

Foxglove needs 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, Foxglove or Knockout Rose?

Foxglove grows taller at 5' compared to Knockout Rose at 4'. Foxglove spreads 1' 6" while Knockout Rose spreads 4'.

Are Foxglove and Knockout Rose deer resistant?

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

Which is easier to maintain, Foxglove or Knockout Rose?

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