Lavender vs Penstemon

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

Lavender

Lavandula angustifolia

Lamiaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Penstemon

Penstemon digitalis

Plantaginaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Lavender (Zones 5-9)

Penstemon (Zones 3-8)

Overlap: Both grow in zones 5–8

Detailed Comparison

Feature	Lavender	Penstemon
Scientific Name	Lavandula angustifolia	Penstemon digitalis
Family	Lamiaceae	Plantaginaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧 Low
Soil	Well-drained, Sandy	Well-drained
Height	2'	3'
Spread	2'	1' 6"
Bloom Season	Summer	Early Summer
Bloom Color	Purple	White, Pink, Purple
Growth Rate	Medium	Medium
Native Region	Mediterranean	North America
Maintenance	Low	Low

Special Traits

Lavender

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Penstemon

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Lavender

✓Requires excellent drainage — add sand or gravel to heavy soils.
✓Prune after flowering but never into old wood.
✓Avoid overhead watering.

Penstemon

✓Excellent drainage essential — root rot is the main killer.
✓Don't over-fertilize or overwater.
✓Cut back after first flush for possible rebloom.
✓Short-lived but self-seeds.

Which Plant Is Right for Your Garden?

Choose Lavender if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–9.

Choose Penstemon if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–8.

Plant them together? Both overlap in zones 5–8. They share similar sun requirements (full sun), making them potential garden companions.

View LavenderProfile →View PenstemonProfile →

Frequently Asked Questions

Can Lavender and Penstemon grow in the same hardiness zone?

Lavender grows in USDA zones 5-9, while Penstemon grows in zones 3-8. Both plants can grow together in zones 5 through 8.

Do Lavender and Penstemon have the same sun and water needs?

Lavender needs full sun and low water, while Penstemon needs full sun and low water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Lavender or Penstemon?

Penstemon grows taller at 3' compared to Lavender at 2'. Penstemon spreads 1' 6" while Lavender spreads 2'.

Are Lavender and Penstemon deer resistant?

Yes, both Lavender and Penstemon are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Lavender or Penstemon?

Both Lavender and Penstemon 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	Lavender	Penstemon
Scientific Name	Lavandula angustifolia	Penstemon digitalis
Family	Lamiaceae	Plantaginaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧 Low
Soil	Well-drained, Sandy	Well-drained
Height	2'	3'
Spread	2'	1' 6"
Bloom Season	Summer	Early Summer
Bloom Color	Purple	White, Pink, Purple
Growth Rate	Medium	Medium
Native Region	Mediterranean	North America
Maintenance	Low	Low

Care Tips

Lavender

✓Requires excellent drainage — add sand or gravel to heavy soils.
✓Prune after flowering but never into old wood.
✓Avoid overhead watering.

Penstemon

✓Excellent drainage essential — root rot is the main killer.
✓Don't over-fertilize or overwater.
✓Cut back after first flush for possible rebloom.
✓Short-lived but self-seeds.

Which Plant Is Right for Your Garden?

Choose Lavender if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 5–9.

Choose Penstemon if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–8.

Plant them together? Both overlap in zones 5–8. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Lavender and Penstemon grow in the same hardiness zone?

Lavender grows in USDA zones 5-9, while Penstemon grows in zones 3-8. Both plants can grow together in zones 5 through 8.

Do Lavender and Penstemon have the same sun and water needs?

Lavender needs full sun and low water, while Penstemon needs full sun and low water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Lavender or Penstemon?

Penstemon grows taller at 3' compared to Lavender at 2'. Penstemon spreads 1' 6" while Lavender spreads 2'.

Are Lavender and Penstemon deer resistant?

Yes, both Lavender and Penstemon are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Lavender or Penstemon?

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