Spinach vs Sweet Pea

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

Spinach

Spinacia oleracea

Amaranthaceae · vegetables

EdibleLow Maintenance

Sweet Pea

Lathyrus odoratus

Fabaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Spinach (Zones 2-11)

Sweet Pea (Zones 2-11)

Overlap: Both grow in zones 2–11

Detailed Comparison

Feature	Spinach	Sweet Pea
Scientific Name	Spinacia oleracea	Lathyrus odoratus
Family	Amaranthaceae	Fabaceae
Category	vegetables	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	1'	6'
Spread	8"	1'
Bloom Season	Spring, Fall	Spring-Summer
Bloom Color	Green (insignificant)	Mixed
Growth Rate	Fast	Fast
Native Region	Persia	Italy, Sicily
Maintenance	Low	Medium

Special Traits

Spinach

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Sweet Pea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Spinach

✓Plant 4-6 weeks before last frost.
✓Succession sow every 2 weeks.
✓Harvest outer leaves or cut entire plant.
✓Needs cool weather — bolts quickly in heat.

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 Spinach if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 2–11.

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 2–11. However, they have different sun needs, so plan your garden layout carefully.

View SpinachProfile →View Sweet PeaProfile →

Frequently Asked Questions

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

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

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

Spinach needs full sun to 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, Spinach or Sweet Pea?

Sweet Pea grows taller at 6' compared to Spinach at 1'. Sweet Pea spreads 1' while Spinach spreads 8".

Are Spinach and Sweet Pea deer resistant?

Sweet Pea is deer resistant, but Spinach is not. If deer are a concern, Sweet Pea is the better choice, or protect Spinach with fencing.

Which is easier to maintain, Spinach or Sweet Pea?

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

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Detailed Comparison

Feature	Spinach	Sweet Pea
Scientific Name	Spinacia oleracea	Lathyrus odoratus
Family	Amaranthaceae	Fabaceae
Category	vegetables	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Moist	Rich, Well-drained
Height	1'	6'
Spread	8"	1'
Bloom Season	Spring, Fall	Spring-Summer
Bloom Color	Green (insignificant)	Mixed
Growth Rate	Fast	Fast
Native Region	Persia	Italy, Sicily
Maintenance	Low	Medium

Care Tips

Spinach

✓Plant 4-6 weeks before last frost.
✓Succession sow every 2 weeks.
✓Harvest outer leaves or cut entire plant.
✓Needs cool weather — bolts quickly in heat.

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 Spinach if you want a low-maintenance plant. It thrives in full sun to part shade with medium water in zones 2–11.

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 2–11. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

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

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

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

Spinach needs full sun to 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, Spinach or Sweet Pea?

Sweet Pea grows taller at 6' compared to Spinach at 1'. Sweet Pea spreads 1' while Spinach spreads 8".

Are Spinach and Sweet Pea deer resistant?

Sweet Pea is deer resistant, but Spinach is not. If deer are a concern, Sweet Pea is the better choice, or protect Spinach with fencing.

Which is easier to maintain, Spinach or Sweet Pea?

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