How to grow Clay's Hibiscus

Hibiscus clayi

When fertilizing keep the phosphorus low as it tends to accumulate and prevent the nitrogen and potassium from working. Use a 2-1-3 or a 2-5-3 formula. Minor elements such as magnesium and iron are also important to maintain healthy green foliage.¹

How long does Clay's hibiscus take to grow?

These estimates for how long Clay's hibiscus takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

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Other names for Clay's hibiscus

Red kauai rosemallow

Hibiscus clayi O. Deg. & I. Deg.

Footnotes

¹ nativeplants.hawaii.edu/plant/view/Hibiscus_clayi#mainplantinformation