Snapdragon vs Sweet Pea

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

Snapdragon

Antirrhinum majus

Plantaginaceae · flowers

Deer ResistantLow Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Snapdragon (Zones 7-10)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 7–10

Detailed Comparison

Feature	Snapdragon	Sweet Pea
Scientific Name	Antirrhinum majus	Lathyrus odoratus
Family	Plantaginaceae	Fabaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Rich, Well-drained
Height	3'	6'
Spread	1'	1'
Bloom Season	Spring-Fall	Spring-Summer
Bloom Color	Mixed	Mixed
Growth Rate	Fast	Fast
Native Region	Mediterranean	Italy, Sicily
Maintenance	Low	Medium

Special Traits

Snapdragon

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Snapdragon

✓Pinch growing tips for bushier plants.
✓Deadhead for continuous bloom.
✓Cool-season annual — plant in fall in warm climates.
✓Excellent cut flower.

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 Snapdragon if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 7–10.

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 7–10. They share similar sun requirements (full sun), making them potential garden companions.

View SnapdragonProfile →View Sweet PeaProfile →

Frequently Asked Questions

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

Snapdragon grows in USDA zones 7-10, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 7 through 10.

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

Snapdragon needs full sun and medium water, while Sweet Pea needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Snapdragon or Sweet Pea?

Sweet Pea grows taller at 6' compared to Snapdragon at 3'. Sweet Pea spreads 1' while Snapdragon spreads 1'.

Are Snapdragon and Sweet Pea deer resistant?

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

Which is easier to maintain, Snapdragon or Sweet Pea?

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

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Detailed Comparison

Feature	Snapdragon	Sweet Pea
Scientific Name	Antirrhinum majus	Lathyrus odoratus
Family	Plantaginaceae	Fabaceae
Category	flowers	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Rich, Well-drained
Height	3'	6'
Spread	1'	1'
Bloom Season	Spring-Fall	Spring-Summer
Bloom Color	Mixed	Mixed
Growth Rate	Fast	Fast
Native Region	Mediterranean	Italy, Sicily
Maintenance	Low	Medium

Care Tips

Snapdragon

✓Pinch growing tips for bushier plants.
✓Deadhead for continuous bloom.
✓Cool-season annual — plant in fall in warm climates.
✓Excellent cut flower.

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 Snapdragon if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 7–10.

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 7–10. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

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

Snapdragon grows in USDA zones 7-10, while Sweet Pea grows in zones 2-11. Both plants can grow together in zones 7 through 10.

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

Snapdragon needs full sun and medium water, while Sweet Pea needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Snapdragon or Sweet Pea?

Sweet Pea grows taller at 6' compared to Snapdragon at 3'. Sweet Pea spreads 1' while Snapdragon spreads 1'.

Are Snapdragon and Sweet Pea deer resistant?

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

Which is easier to maintain, Snapdragon or Sweet Pea?

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