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Getting it to bloom

Why won't my Tidal Wave silver petunia bloom? (and how to make it flower)

Also called Tidal Wave Silver Petunia, Tidal Wave Silver (Petunia × hybrida 'Tidal Wave Silver').

More about tidal wave silver petunia

About Tidal Wave silver petunia

Petunia × hybrida 'Tidal Wave Silver' · also called Tidal Wave Silver Petunia, Tidal Wave Silver · flowering

Tidal Wave Silver is an All-America Selections award-winning petunia with uniquely adjustable growth: space plants closely for a 45–60 cm flowering hedge, or wider apart for a spreading 90–150 cm ground cover. Its pale silvery-white blooms are heat-tolerant and produced continuously without deadheading, suiting large beds, banks, and containers alike.

Plant type: flowering

Watch for — Tobacco budworm: Caterpillars bore into buds, leaving ragged petals; monitor for feeding damage and apply Bacillus thuringiensis (Bt) as soon as the pest is detected.

The reasons tidal wave silver petunia isn't blooming

Almost every non-blooming tidal wave silver petunia traces back to one of these, roughly in order of how common they are:

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

Feeding tidal wave silver petunia 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 tidal wave silver petunia to flower

  1. Maximise sun. Give tidal wave silver petunia the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
  2. Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
  3. Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
  4. 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 tidal wave silver petunia and get the feeding right with the tidal wave silver petunia 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

Tidal Wave silver petunia 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 tidal wave silver petunia care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Tidal Wave silver petunia blooming — frequently asked questions

Why won't my tidal wave silver petunia flower?

Tidal Wave silver petunia 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 tidal wave silver petunia bloom?

Give tidal wave silver petunia 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 tidal wave silver petunia normally bloom?

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

What should I do with tidal wave silver petunia after it flowers?

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.

What is the single biggest mistake stopping tidal wave silver petunia flowering?

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

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