Dogwood vs Sweet Pea

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

Dogwood

Cornus florida

Cornaceae · trees

Deer ResistantLow Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Dogwood (Zones 5-9)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 5–9

Detailed Comparison

Feature	Dogwood	Sweet Pea
Scientific Name	Cornus florida	Lathyrus odoratus
Family	Cornaceae	Fabaceae
Category	trees	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained, Acidic	Rich, Well-drained
Height	30'	6'
Spread	30'	1'
Bloom Season	Spring	Spring-Summer
Bloom Color	White, Pink	Mixed
Growth Rate	Slow	Fast
Native Region	Eastern North America	Italy, Sicily
Maintenance	Low	Medium

Special Traits

Dogwood

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Dogwood

✓Plant in part shade with morning sun.
✓Needs acidic, well-drained soil.
✓Susceptible to anthracnose — maintain good air circulation.
✓Don't wound the trunk.

Sweet Pea

✓Soak seeds overnight before planting.
✓Provide trellis or netting.
✓Pick flowers frequently to prolong bloom.
✓Needs cool weather — plant early spring or fall in warm areas.

Which Plant Is Right for Your Garden?

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

Choose Sweet Pea if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

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

View DogwoodProfile →View Sweet PeaProfile →

Frequently Asked Questions

Can Dogwood and Sweet Pea grow in the same hardiness zone?

Dogwood grows in USDA zones 5-9, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 5 through 9.

Do Dogwood and Sweet Pea have the same sun and water needs?

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

Which grows taller, Dogwood or Sweet Pea?

Dogwood grows taller at 30' compared to Sweet Pea at 6'. Dogwood spreads 30' while Sweet Pea spreads 1'.

Are Dogwood and Sweet Pea deer resistant?

Yes, both Dogwood and Sweet Pea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Dogwood or Sweet Pea?

Dogwood has low maintenance while Sweet Pea has medium maintenance. Dogwood may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Dogwood	Sweet Pea
Scientific Name	Cornus florida	Lathyrus odoratus
Family	Cornaceae	Fabaceae
Category	trees	flowers
Sun	⛅ Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained, Acidic	Rich, Well-drained
Height	30'	6'
Spread	30'	1'
Bloom Season	Spring	Spring-Summer
Bloom Color	White, Pink	Mixed
Growth Rate	Slow	Fast
Native Region	Eastern North America	Italy, Sicily
Maintenance	Low	Medium

Care Tips

Dogwood

✓Plant in part shade with morning sun.
✓Needs acidic, well-drained soil.
✓Susceptible to anthracnose — maintain good air circulation.
✓Don't wound the trunk.

Sweet Pea

✓Soak seeds overnight before planting.
✓Provide trellis or netting.
✓Pick flowers frequently to prolong bloom.
✓Needs cool weather — plant early spring or fall in warm areas.

Which Plant Is Right for Your Garden?

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

Choose Sweet Pea if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

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 Dogwood and Sweet Pea grow in the same hardiness zone?

Dogwood grows in USDA zones 5-9, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 5 through 9.

Do Dogwood and Sweet Pea have the same sun and water needs?

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

Which grows taller, Dogwood or Sweet Pea?

Dogwood grows taller at 30' compared to Sweet Pea at 6'. Dogwood spreads 30' while Sweet Pea spreads 1'.

Are Dogwood and Sweet Pea deer resistant?

Yes, both Dogwood and Sweet Pea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Dogwood or Sweet Pea?

Dogwood has low maintenance while Sweet Pea has medium maintenance. Dogwood may be easier for beginning gardeners to manage.