Lemon Tree vs Sweet Pea

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

Lemon Tree

Citrus limon

Rutaceae · trees

EdibleDeer ResistantDrought TolerantMedium Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Lemon Tree (Zones 9-11)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 9–11

Detailed Comparison

Feature	Lemon Tree	Sweet Pea
Scientific Name	Citrus limon	Lathyrus odoratus
Family	Rutaceae	Fabaceae
Category	trees	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained, Sandy, Acidic	Rich, Well-drained
Height	20'	6'
Spread	15'	1'
Bloom Season	Year-round	Spring-Summer
Bloom Color	White, Purple	Mixed
Growth Rate	Medium	Fast
Native Region	Southeast Asia	Italy, Sicily
Maintenance	Medium	Medium

Special Traits

Lemon Tree

Yes — EdibleYes — Deer ResistantYes — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Lemon Tree

✓Frost sensitive — protect below 30°F.
✓Feed with citrus fertilizer regularly.
✓Water deeply but let soil dry between waterings.
✓Scale and citrus leaf miner are common pests.

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 Lemon Tree if you don't mind medium maintenance, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 9–11.

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 9–11. They share similar sun requirements (full sun), making them potential garden companions.

View Lemon TreeProfile →View Sweet PeaProfile →

Frequently Asked Questions

Can Lemon Tree and Sweet Pea grow in the same hardiness zone?

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

Do Lemon Tree and Sweet Pea have the same sun and water needs?

Lemon Tree 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, Lemon Tree or Sweet Pea?

Lemon Tree grows taller at 20' compared to Sweet Pea at 6'. Lemon Tree spreads 15' while Sweet Pea spreads 1'.

Are Lemon Tree and Sweet Pea deer resistant?

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

Which is easier to maintain, Lemon Tree or Sweet Pea?

Both Lemon Tree and Sweet Pea have medium maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Lemon Tree	Sweet Pea
Scientific Name	Citrus limon	Lathyrus odoratus
Family	Rutaceae	Fabaceae
Category	trees	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained, Sandy, Acidic	Rich, Well-drained
Height	20'	6'
Spread	15'	1'
Bloom Season	Year-round	Spring-Summer
Bloom Color	White, Purple	Mixed
Growth Rate	Medium	Fast
Native Region	Southeast Asia	Italy, Sicily
Maintenance	Medium	Medium

Care Tips

Lemon Tree

✓Frost sensitive — protect below 30°F.
✓Feed with citrus fertilizer regularly.
✓Water deeply but let soil dry between waterings.
✓Scale and citrus leaf miner are common pests.

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 Lemon Tree if you don't mind medium maintenance, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 9–11.

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 9–11. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Lemon Tree and Sweet Pea grow in the same hardiness zone?

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

Do Lemon Tree and Sweet Pea have the same sun and water needs?

Lemon Tree 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, Lemon Tree or Sweet Pea?

Lemon Tree grows taller at 20' compared to Sweet Pea at 6'. Lemon Tree spreads 15' while Sweet Pea spreads 1'.

Are Lemon Tree and Sweet Pea deer resistant?

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

Which is easier to maintain, Lemon Tree or Sweet Pea?

Both Lemon Tree and Sweet Pea have medium maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.