Isopogon formosus

rose coneflower
Pincushion-like pink-purple flowers add interest to finely dissected blue-grey leaves. Naturally shrubby, prune to keep it bushier. Gritty soil. No phosphorus.
Isopogon formosus
height 5–7ft
width 5–7ft
tolerates Drought, Fog, Wind
water
needs		 Low – Moderate
water
info		 Isopogon are drought tolerant, but they’ll want infrequent additional summer water at least every couple of weeks once established. They prefer well-drained soil.
hardy
to		 25F
exposure Part Shade – Full Sun
indoor
outdoor		 Outdoor
drainage In Ground: Cactus Mix, In Pots: Cactus Mix, Tolerates Sandy Soil
fertilizing Low Needs, No Phosphorus
origin SW Australia
california
native		 No
sunset
zones		 15–17, 19–24

Sunset Zones Map

Outdoor Exposure Guide

Growing Notes

Generally fertilization is to be avoided, but if your soil is alkaline and the leaves are yellowing, an addition of light acid fertilizer such as cotton seed meal is beneficial. You can also use cheated iron.