Hollyhock
Alcea rosea
About it
- Kind
- Flowers · Biennial
- Family
- Malvaceae
- Mature size
- to 6 ft × 18 in
- Blooms
- Jun–Aug
- Hardiness zones
- Zones 3–9
- Sun
- Full sun
- Spacing
- 18 in apart, rows 24 in
- Soil depth in a pot
- At least 12 in
- Soil pH
- 6–8
- Water
- About every 5 days
When to plant
We don't have planting times for Hollyhock yet.
Planting partners
No cited companion planting notes for Hollyhock yet.
Safety for pets and children
- Cats Listed as non-toxic to cats (NC State Extension)
- Dogs Listed as non-toxic to dogs (NC State Extension)
- Horses Listed as non-toxic to horses (NC State Extension)
- Children No information in our sources
Read from NC State Extension ↗.
"No information" means our sources do not say, not that the plant is harmless. A non-toxic listing is not a reason to let anyone eat a plant.
Pests and diseases
No pest or disease notes for Hollyhock yet.
Check the label and your local extension service before using any product.
Where this comes from
- family npgsweb.ars-grin.gov ↗ GRIN page: Alcea rosea L.
- Most facts NC State Extension ↗ Backfilled by 0041. Pre-0041 rows recorded one source for the whole row; per-field attribution was never captured and is not invented here.
- toxicity NC State Extension ↗ non_toxic for cat, dog, horse from its "non-toxic for" tags.