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Getting it to bloom

Why won't my Coral Aloe bloom? (and how to make it flower)

Also called Coral Aloe (Aloe striata).

More about coral aloe

About Coral Aloe

Aloe striata · also called Coral Aloe · flowering

Coral aloe is a stemless South African aloe with broad, smooth, blue-grey leaves edged in a distinctive pinkish-red coral margin (and no spines). In late winter to spring it sends up branched spikes of coral-orange flowers that draw pollinators. Sun-loving and architectural, it is toxic to cats and dogs like other true aloes.

Plant type: flowering

Watch for — Shy flowering in low light: Too little sun prevents the signature coral spikes and loosens the rosette. Move to the brightest possible position to encourage blooming.

The reasons coral aloe isn't blooming

Almost every non-blooming coral aloe 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 coral aloe 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 coral aloe to flower

  1. Maximise sun. Give coral aloe 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 coral aloe and get the feeding right with the coral aloe 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

Coral Aloe 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 coral aloe care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Coral Aloe blooming — frequently asked questions

Why won't my coral aloe flower?

Coral Aloe 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 coral aloe bloom?

Give coral aloe 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 coral aloe normally bloom?

Coral Aloe 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 coral aloe 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 coral aloe flowering?

Feeding coral aloe 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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