Getting it to bloom

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

Also called Ohio Goldenrod, Great Lakes Goldenrod (Solidago ohioensis).

More about ohio goldenrod

About Ohio Goldenrod

Solidago ohioensis · also called Ohio Goldenrod, Great Lakes Goldenrod · flowering

Solidago ohioensis is a tall, stately goldenrod native to moist prairies, lake shores, and fen edges around the Great Lakes region of the United States. It is distinguished by notably large, flat-topped corymbs of yellow flowers rather than the arching plumes of most goldenrods, blooming from August to September. This species is less aggressive than many goldenrods — it spreads by seed rather than rhizome — but requires consistently moist soil to thrive, which sets it apart from most of its drought-tolerant relatives. It is not listed as toxic to cats and dogs by the ASPCA.

Plant type: flowering

The reasons ohio goldenrod isn't blooming

Almost every non-blooming ohio 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 ohio 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 ohio goldenrod to flower

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

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

Ohio Goldenrod blooming — frequently asked questions

Why won't my ohio goldenrod flower?

Ohio 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 ohio goldenrod bloom?

Give ohio 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 ohio goldenrod normally bloom?