Begonia vs Delphinium

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

Begonia

Begonia × semperflorens

Begoniaceae · flowers

Deer ResistantLow Maintenance

Delphinium

Delphinium elatum

Ranunculaceae · flowers

Deer ResistantHigh Maintenance

Hardiness Zone Range

Begonia (Zones 2-11)

Delphinium (Zones 3-7)

Overlap: Both grow in zones 3–7

Detailed Comparison

Feature	Begonia	Delphinium
Scientific Name	Begonia × semperflorens	Delphinium elatum
Family	Begoniaceae	Ranunculaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	1'	6'
Spread	1'	2'
Bloom Season	Spring-Fall	Early Summer
Bloom Color	Red, Pink, White	Blue, Purple, White, Pink
Growth Rate	Fast	Fast
Native Region	South America	Europe, Asia
Maintenance	Low	High

Special Traits

Begonia

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Delphinium

No — EdibleYes — Deer ResistantNo — 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.

Delphinium

✓Stake tall varieties.
✓Cut back after first bloom for possible rebloom.
✓Needs cool summers — struggles in heat.
✓Slugs love young growth.
✓All parts are toxic.

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 Delphinium if you don't mind high maintenance, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

View BegoniaProfile →View DelphiniumProfile →

Frequently Asked Questions

Can Begonia and Delphinium grow in the same hardiness zone?

Begonia grows in USDA zones 2-11, while Delphinium grows in zones 3-7. Both plants can grow together in zones 3 through 7.

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

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

Which grows taller, Begonia or Delphinium?

Delphinium grows taller at 6' compared to Begonia at 1'. Delphinium spreads 2' while Begonia spreads 1'.

Are Begonia and Delphinium deer resistant?

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

Which is easier to maintain, Begonia or Delphinium?

Begonia has low maintenance while Delphinium has high maintenance. Begonia may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Begonia	Delphinium
Scientific Name	Begonia × semperflorens	Delphinium elatum
Family	Begoniaceae	Ranunculaceae
Category	flowers	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	1'	6'
Spread	1'	2'
Bloom Season	Spring-Fall	Early Summer
Bloom Color	Red, Pink, White	Blue, Purple, White, Pink
Growth Rate	Fast	Fast
Native Region	South America	Europe, Asia
Maintenance	Low	High

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.

Delphinium

✓Stake tall varieties.
✓Cut back after first bloom for possible rebloom.
✓Needs cool summers — struggles in heat.
✓Slugs love young growth.
✓All parts are toxic.

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 Delphinium if you don't mind high maintenance, and want deer resistance. It thrives in full sun with medium water in zones 3–7.

Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Begonia and Delphinium grow in the same hardiness zone?

Begonia grows in USDA zones 2-11, while Delphinium grows in zones 3-7. Both plants can grow together in zones 3 through 7.

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

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

Which grows taller, Begonia or Delphinium?

Delphinium grows taller at 6' compared to Begonia at 1'. Delphinium spreads 2' while Begonia spreads 1'.

Are Begonia and Delphinium deer resistant?

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

Which is easier to maintain, Begonia or Delphinium?

Begonia has low maintenance while Delphinium has high maintenance. Begonia may be easier for beginning gardeners to manage.