Blue Hibiscus-Staked Size:5 Gallon Avoid summer planting from June

Avoid summer planting from June through September

hummingbird-drawing bloom season on almost no water

making it ready to plant directly against walls

Water basin — build a 3-inch raised ring of soil around the root zone perimeter to concentrate irrigation at the roots during establishment

Its vigorous climbing habit allows it to cover large block walls

Blue Hibiscus-Staked Size:5 Gallon Avoid summer planting from JuneExotic Blue Purple Flowering Shrub for Phoenix Landscapes Blue Hibiscus Staked (Alyogyne huegelii) is one of the most striking and easy care flowering shrubs you can grow in the Phoenix Valley. Despite its common name, Blue Hibiscus isn't a true hibiscus it's an Australian native that's perfectly adapted to hot, dry climates. It produces large, lavender blue flowers with deep purple centers that bloom almost year round in Phoenix's mild winters. This