Crepe Myrtle vs Sweet Pea

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

Crepe Myrtle

Lagerstroemia indica

Lythraceae · trees

Deer ResistantDrought TolerantLow Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Crepe Myrtle (Zones 7-10)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 7–10

Detailed Comparison

Feature	Crepe Myrtle	Sweet Pea
Scientific Name	Lagerstroemia indica	Lathyrus odoratus
Family	Lythraceae	Fabaceae
Category	trees	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	25'	6'
Spread	15'	1'
Bloom Season	Summer	Spring-Summer
Bloom Color	Pink, Red, White, Purple	Mixed
Growth Rate	Fast	Fast
Native Region	Southeast Asia	Italy, Sicily
Maintenance	Low	Medium

Special Traits

Crepe Myrtle

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Crepe Myrtle

✓Don't 'crepe murder' — avoid topping/severe pruning.
✓Thin interior branches for air flow.
✓Full sun is essential for best blooms.
✓Remove suckers at base.

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 Crepe Myrtle if you want a low-maintenance plant, need drought tolerance, 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 Crepe MyrtleProfile →View Sweet PeaProfile →

Frequently Asked Questions

Can Crepe Myrtle and Sweet Pea grow in the same hardiness zone?

Crepe Myrtle 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 Crepe Myrtle and Sweet Pea have the same sun and water needs?

Crepe Myrtle 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, Crepe Myrtle or Sweet Pea?

Crepe Myrtle grows taller at 25' compared to Sweet Pea at 6'. Crepe Myrtle spreads 15' while Sweet Pea spreads 1'.

Are Crepe Myrtle and Sweet Pea deer resistant?

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

Which is easier to maintain, Crepe Myrtle or Sweet Pea?

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

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Detailed Comparison

Feature	Crepe Myrtle	Sweet Pea
Scientific Name	Lagerstroemia indica	Lathyrus odoratus
Family	Lythraceae	Fabaceae
Category	trees	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	25'	6'
Spread	15'	1'
Bloom Season	Summer	Spring-Summer
Bloom Color	Pink, Red, White, Purple	Mixed
Growth Rate	Fast	Fast
Native Region	Southeast Asia	Italy, Sicily
Maintenance	Low	Medium

Care Tips

Crepe Myrtle

✓Don't 'crepe murder' — avoid topping/severe pruning.
✓Thin interior branches for air flow.
✓Full sun is essential for best blooms.
✓Remove suckers at base.

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 Crepe Myrtle if you want a low-maintenance plant, need drought tolerance, 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 Crepe Myrtle and Sweet Pea grow in the same hardiness zone?

Crepe Myrtle 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 Crepe Myrtle and Sweet Pea have the same sun and water needs?

Crepe Myrtle 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, Crepe Myrtle or Sweet Pea?

Crepe Myrtle grows taller at 25' compared to Sweet Pea at 6'. Crepe Myrtle spreads 15' while Sweet Pea spreads 1'.

Are Crepe Myrtle and Sweet Pea deer resistant?

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

Which is easier to maintain, Crepe Myrtle or Sweet Pea?

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