Blue star flowers are one of the truest blues you will find in flower colors.
The medium-growingplants are nativeto many regions of North America and grow pretty much problem free.
A bonus is the brilliant yellow fall color of their foliage.
The Spruce / Evgeniya Vlasova
They tend to be small, tidy, shrub-like clumps.
Leaves are 3-4 inches, narrow and lance-shaped, with a pronounced mid-rib.
Hardiness will vary with species.
The Spruce / Evgeniya Vlasova
Most are perennial to at leastUSDA Hardiness Zones3-11.
Amsonia Care
The plants bloom sometime in spring; The flowers are followed by interesting seed pods.
The soft, billowy foliage of blue star allows it to fit in almost anywhere.
The Spruce / Evgeniya Vlasova
It pairs especially well with larger leaved plants, likepeoniesandhosta.
A classic favorite combination is blue star paired with the seed heads of oat grass.
The bright yellow fall foliage is stunning next to tallsedumorpurple coneflowers.
The Spruce / Evgeniya Vlasova
You candivide the plantsif you want to make more plants, but it is rarely necessary.
Water
Amsonia needs regular watering, the soil they’re planted in should never dry out.
Temperature and Humidity
Blue star thrives in a hot and humid climate.
Fertilizer
When new leaves emerge, feed with a water-soluble fertilizer, making sure it’s slow-released.
Amsonia Varieties
Pruning
Blue star requires very little maintenance.
They can get floppy when they are heavy with flowers and when the seed pods form.
Trimming will mean losing the attractive seed pods.
How to Grow Amsonia From Seed
Blue star can begrown from seedsharvested when the pods dry.
Simply cover them lightly with soil and keep the soil moist, until the plants germinate.
Common Pests/Diseases
Blue star plants are virtually problem free.
No pests or diseases regularly bother them.
