Getting it to bloom

Why won't my Grey Goldenrod bloom? (and how to make it flower)

Also called Grey Goldenrod, Gray Goldenrod, Old-Field Goldenrod, Dwarf Goldenrod (Solidago nemoralis).

More about grey goldenrod

About Grey Goldenrod

Solidago nemoralis · also called Grey Goldenrod, Gray Goldenrod · flowering

Solidago nemoralis is a slender, short-statured goldenrod native to open fields, dry sandy barrens, and thin woodland edges across much of North America. Its grey-green foliage, caused by fine surface hairs, gives the plant its common name. It blooms late summer to autumn with gracefully arching plumes of small yellow flowers that are magnets for native bees and butterflies. The single most important care fact is to keep it in lean, dry, well-drained soil — rich or moist conditions cause aggressive spread and flopping. It is considered non-toxic to cats and dogs by the ASPCA.

Plant type: flowering

The reasons grey goldenrod isn't blooming

Almost every non-blooming grey goldenrod 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 grey goldenrod 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 grey goldenrod to flower

Maximise sun. Give grey goldenrod 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 grey goldenrod and get the feeding right with the grey goldenrod 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

Grey Goldenrod 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 grey goldenrod care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Grey Goldenrod blooming — frequently asked questions

Why won't my grey goldenrod flower?

Grey Goldenrod 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 grey goldenrod bloom?

Give grey goldenrod 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 grey goldenrod normally bloom?