Getting it to bloom

Why won't my Shadscale Saltbush bloom? (and how to make it flower)

Also called Shadscale saltbush, Shadscale, Spiny saltbush (Atriplex confertifolia).

More about shadscale saltbush

About Shadscale Saltbush

Atriplex confertifolia · also called Shadscale saltbush, Shadscale · flowering

Atriplex confertifolia is a spiny, dioecious evergreen shrub native to the cold desert basins of the western United States, where it is a keystone shrub of Great Basin communities at 1,200–2,100 m elevation. It survives in intensely alkaline, saline soils receiving as little as 100 mm of annual rainfall, and demands excellent drainage above all else — prolonged soil moisture quickly causes fatal root rot and vascular wilt. Male and female plants are needed for seed production. Not known to be toxic to pets; no listings in the ASPCA database.

Plant type: flowering

The reasons shadscale saltbush isn't blooming

Almost every non-blooming shadscale saltbush traces back to one of these, roughly in order of how common they are:

Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
The plant has not been deadheaded, so it stops flowering once it sets seed.
Irregular watering — drought or waterlogging at the budding stage makes buds abort.
It is still too young or was checked by a transplant and is rebuilding before flowering.

Feeding shadscale saltbush a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.

The fix — how to get shadscale saltbush to flower

Maximise sun. Give shadscale saltbush the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
Water consistently. Keep moisture even through budding and flowering — drought-then-flood swings make buds drop.

Light and feeding do most of the heavy lifting here. Dial in the spot with the light guide for shadscale saltbush and get the feeding right with the shadscale saltbush fertilising schedule — the wrong feed (too much nitrogen) is one of the most common silent reasons a healthy plant makes leaves instead of flowers.

Bloom season and what to expect

Shadscale Saltbush flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.

Post-bloom care so it flowers again

Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.

For everything else this plant needs day to day, see the full shadscale saltbush care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Shadscale Saltbush blooming — frequently asked questions

Why won't my shadscale saltbush flower?

Shadscale Saltbush blooms on the season's growth given enough sun, warmth and the right feed — there is no cold or photoperiod trick, just good growing conditions and a bloom-leaning feed. The most common reason it is not happening: Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.

How do I make shadscale saltbush bloom?

Give shadscale saltbush the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.

When does shadscale saltbush normally bloom?