Begonia vs Penstemon

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

Begonia

Begonia × semperflorens

Begoniaceae · flowers

Deer ResistantLow Maintenance

Penstemon

Penstemon digitalis

Plantaginaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Begonia (Zones 2-11)

Penstemon (Zones 3-8)

Overlap: Both grow in zones 3–8

Detailed Comparison

Feature	Begonia	Penstemon
Scientific Name	Begonia × semperflorens	Penstemon digitalis
Family	Begoniaceae	Plantaginaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Rich, Moist	Well-drained
Height	1'	3'
Spread	1'	1' 6"
Bloom Season	Spring-Fall	Early Summer
Bloom Color	Red, Pink, White	White, Pink, Purple
Growth Rate	Fast	Medium
Native Region	South America	North America
Maintenance	Low	Low

Special Traits

Begonia

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Penstemon

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Begonia

✓Pinch tips for bushy growth.
✓Keep soil moist but not waterlogged.
✓Bring indoors before frost.
✓Tuberous types need winter dormancy.
✓Rex begonias grown for stunning foliage.

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 Begonia if you want a low-maintenance plant, and want deer resistance. It thrives in part shade with medium water in zones 2–11.

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 3–8. However, they have different sun needs, so plan your garden layout carefully.

View BegoniaProfile →View PenstemonProfile →

Frequently Asked Questions

Can Begonia and Penstemon grow in the same hardiness zone?

Begonia grows in USDA zones 2-11, while Penstemon grows in zones 3-8. Both plants can grow together in zones 3 through 8.

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

Begonia needs part shade and medium water, while Penstemon needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Begonia or Penstemon?

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

Are Begonia and Penstemon deer resistant?

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

Which is easier to maintain, Begonia or Penstemon?

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

Explore More Data Tools

For adjacent public-data tools, methodology notes, and network updates, visit DataPeek Facts.

Detailed Comparison

Feature	Begonia	Penstemon
Scientific Name	Begonia × semperflorens	Penstemon digitalis
Family	Begoniaceae	Plantaginaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Rich, Moist	Well-drained
Height	1'	3'
Spread	1'	1' 6"
Bloom Season	Spring-Fall	Early Summer
Bloom Color	Red, Pink, White	White, Pink, Purple
Growth Rate	Fast	Medium
Native Region	South America	North America
Maintenance	Low	Low

Care Tips

Begonia

✓Pinch tips for bushy growth.
✓Keep soil moist but not waterlogged.
✓Bring indoors before frost.
✓Tuberous types need winter dormancy.
✓Rex begonias grown for stunning foliage.

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 Begonia if you want a low-maintenance plant, and want deer resistance. It thrives in part shade with medium water in zones 2–11.

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 3–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Begonia and Penstemon grow in the same hardiness zone?

Begonia grows in USDA zones 2-11, while Penstemon grows in zones 3-8. Both plants can grow together in zones 3 through 8.

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

Begonia needs part shade and medium water, while Penstemon needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Begonia or Penstemon?

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

Are Begonia and Penstemon deer resistant?

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

Which is easier to maintain, Begonia or Penstemon?

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