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Home » Growing Strawberries

7 Reasons Why Your Strawberry Plant Isn’t Flowering

Modified: Feb 17, 2022 by Mr. Strawberry · This post may contain affiliate links · Leave a Comment

Few things are more frustrating than looking forward to delicious strawberries only to find your plants aren’t flowering. If your plant isn’t flowering, it can’t produce strawberries. Why are your plants not flowering? What can be done to encourage strawberry plants to flower?

Photo collage featuring two methods to get the strawberry plants flower.
Jump to:
  • Top Reason
  • Not enough fertilizer
  • Too much fertilizer
  • Temperature
  • Pests
  • Soil
  • Diseases

Top Reason

You may not see flowers on your strawberry plants because of imbalanced fertilizing. Either too little or too much fertilizer can be detrimental to strawberry health.

Not enough fertilizer

Farmer adding compost to the strawberry soil.

If your plants seem a little skimpy by the time they should be flowering and show no signs of fertilizer burn, they may not be getting enough nutrients from the soil. Apply a balanced quick-release fertilizer to jump-start flower production. In general, you should use a balanced 12-12-12 NPK slow release fertilizer or compost at the beginning of the growing season for optimum strawberry plant health.

If you see lots of healthy leaves but no flowers, your plants probably have enough nitrogen and phosphorus but lack potassium. Potassium aids the movement of water and sugars in plants and is necessary for flower and fruit development.

Try applying a quick-release potassium-rich fertilizer. You can make a gentle, organic, potassium-heavy fertilizer at home by boiling or soaking banana peels in water. Use the banana peel water to water your strawberry plants generously once a week until flowers appear.

Too much fertilizer

Too much fertilizer can burn plants’ leaves and roots and will result in no flowers. Fertilizers are basically salts so too much can drink up all the water in the soil and even in your plants, leaving them dehydrated even though you may water frequently.

You may be able to save over-fertilized plants by overwatering them for a few days to flush out the extra fertilizer. Repotting or transplanting may also help the situation. Both options will further stress your plant but it will almost certainly die without any interference. Wait until the next growing season for flowers to appear if your plants have been overfertilized because they will need time to recover before producing flowers and fruit.

Temperature

Beautiful strawberry plants fruiting in a hot climate area.

Another reason your plants may not be flowering is that the weather is too hot. Strawberries grow and produce best between 60-80 degrees. If your weather is consistently above 80 degrees, try one of these 8 tips to protect strawberries from extreme heat.

If your weather is below 60 degrees, it may be too cold for your strawberry plants to set flowers. Bring your plants inside, provide a heat source, or wait for the weather to warm up to induce flowering.

Pests

Tarnished plant bug close up photo.

You may not see flowers because pests are eating whatever buds your plant produces. Lygus bugs feed on both buds and strawberries. Also known as tarnished plant bugs, they have green or brown quarter-inch long bodies with yellow markings. You can control them with insecticide or by introducing predators like pirate bugs.

Strawberry bud weevils lay their eggs in new strawberry buds then clip them off so the nymphs can feed on the same bud when they hatch. This tiny weevil is dark brown with 2 black spots. Check your strawberry patch for clipped buds and remove them immediately. Plants may respond by producing more buds, but if the infestation is too large, you won’t find any unclipped flowers.

Control strawberry bud weevils by planting an early-bearing strawberry crop around the perimeter of your patch as a trap crop or by applying insecticides.

Soil

Planting strawberries in perfect soil.

Strawberries require well-drained organic soil with a pH between 5.5-7.0. If your soil retains too much water, mix in some perlite to the potting mix or transplant it to a sandier location. Perform a soil test to learn if your soil is either too alkaline or too acidic.

If the pH is above 7.0 your soil is too alkaline so you need to add an acid. Add sulfur, wood chips, or peat moss to the soil. Make it a habit to add compost once a year to the berry patch to maintain the proper acidity.

If your soil is too acidic, below 5.5 pH, add lime or dolomite to the soil. Increasing calcium content by mixing in wood ash or bone meal is another effective solution. To increase calcium with items from home, crush some eggshells, apply them to the soil surface, and water well.

Diseases

Preventing powdery mildew mold on strawberry leaves early on with a handheld sprayer.

Diseases can stress your plant and prevent it from producing flowers. One such disease is root rot. Root rot is the result of “wet feet” because the plant has been overwatered or the soil doesn’t drain properly. Repot the strawberry plant or transplant it to another part of the garden. You may not get fruit from the plant this year but your strawberries will be abundant and healthy next growing season.

Fungi cause a myriad of diseases that will prevent flowering. Two common culprits that attack flowers specifically are Botrytis (gray mold) and powdery mildew. Gray mold is easy to spot and easy to treat with beneficial bacteria or a fungicide.

Powdery mildew may look like silvery dew on mature leaves at first, but it can quickly take over and destroy your strawberry crop. If you catch it early, simply watering your plants from above can wash the powdery mildew off and save your strawberries. Alternatively, apply potassium bicarbonate, a sulfur fungicide, or even milk to kill the spores.

To prevent the attack of fungi, space plants out or provide supports to increase airflow. Check often for signs of fungi. Don’t overwater your strawberries and make sure your soil drains efficiently.

Protect and feed your strawberry plants to encourage flowers and enjoy the best-tasting strawberries possible!

Learn everything about growing strawberries from the Strawberry Master Manual, also don't forget to follow me on Pinterest and Facebook to stay updated with everything I post. We also have a Strawberry gardening group on Facebook! Feel free to join.

More Growing Strawberries

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  • Brown Spots on Strawberries: Cause, Prevention and Treatment
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  • Strawberry Bugs and Pests + How to Fight Them

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Erik Hoffner website admin and strawberry gardener.

Hi, I'm Erik! Welcome to StrawberryPlants.org, your one-stop source for everything related to growing and enjoying strawberries! Here we are passionate about strawberry plants, strawberries, and everything related to this wondrous fruit.

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