Moderate Care Pet safe

Rosemary 'Large Form'

Salvia rosmarinus (cultivar)

Family: Lamiaceae

Care guide for Rosemary 'Large Form'. Light, watering, humidity, toxicity, and quick fixes for common issues.

Light

Direct

Watering

Low

Humidity

Low

Growth

Slow

Quick care summary

Light: Direct
Watering: Low
Humidity: Low
Difficulty: Moderate
Growth speed: Slow
Toxicity: Pet safe

Wants several hours of direct sun for best growth. Let the soil dry well between waterings. Average indoor air is fine, avoid drafty vents.

What this plant likes (and what it hates)

Light

  • Best: Direct
  • Avoid: harsh midday sun if leaves scorch, or deep shade if growth gets weak

Watering

  • Rule of thumb: water based on the soil, not the calendar
  • Target: Low watering habits
  • Common mistake: keeping the pot wet for days at a time

Soil and pot

  • Use a pot with drainage holes.
  • Choose a mix that matches watering needs.
  • If the plant stays wet for too long, use a chunkier mix and a breathable pot.

Common problems and quick fixes

Here are the issues people hit most often with Rosemary ‘Large Form’.

  • Leaf curl: usually light change, watering swings, or a stressed root system
  • Sunburn: often low humidity, mineral buildup, or inconsistent watering
  • Leggy growth: can be thirst, heat stress, or early root trouble
  • Root rot risk: often overwatering, stale airflow, or splashy watering

A quick diagnosis checklist

  1. Check the soil moisture 2 inches down.
  2. Look at the newest growth first.
  3. Inspect the underside of leaves.
  4. Confirm drainage and airflow.

Pest watch

These are the most common pests to check for:

If you are unsure, the fastest move is a clean photo of the underside of a leaf and a close shot of the damage.

Propagation basics

  • Best time: spring through early fall
  • Method: depends on the plant, but clean cuts and fresh water or airy mix matter most
  • Tip: slow propagation usually means low light or cold temps

Safety notes

If you have pets or small kids, treat toxicity seriously. Even mild toxicity can cause drooling or stomach upset.

BotanAI shortcut

Open BotanAI, scan the leaf, then check:

  • confidence score
  • top 3 matches
  • pest scan if damage is present

Common Problems

Leaf curl
Sunburn
Leggy growth
Root rot risk

See diagnosis guides →

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