Garden PlannerEvidence-aware. Garden with confidence.

Plants A–Z

Browse growing guides, planting dates, mature size, and companion evidence for every supported plant.

63 plants

A

B

C

D

E

F

G

K

L

M

N

O

P

R

S

T

W

Z

About the Plants A–Z Catalog

Our catalog includes plants with sufficient evidence to support home and small-scale garden decisions. Each plant page summarizes growing guidance, companion evidence, and our confidence in that evidence. We do not claim to cover all plants; the catalog expands through a documented review process.

Reviewed data

Content is synthesized from peer-reviewed research, university extension publications, and trusted horticulture resources. Reviewer status: editorial team, pending independent horticultural review.

Last content review: August 24, 2026

Catalog scope

  • Vegetables, herbs, edible flowers, fruits and two cover crops
  • Suitable for home and small-scale gardens
  • Focused on companion planting and timing
  • 12 plant families for rotation planning

Our Methodology & Sources

We synthesize peer-reviewed research, university extension publications, and trusted horticulture resources. Our evidence levels help you understand how strong the science is behind the guidance.

Evidence tiers

Supported evidenceConsistent results from multiple robust studies
Traditional claimHistorical use reported, limited scientific support
Context dependentMixed or variable results across conditions
No verified relationshipNo reliable evidence identified

Primary source types

  • Peer-reviewed journal articles
  • University extension publications
  • Government & research institute reports
  • Systematic reviews & meta-analyses

Last updated

August 24, 2026

Learn more about our approach