When is bee swarm season in San Diego? Swarm season generally runs February through August, and if a cluster of bees lands in your yard, keep your distance and call for live removal before the swarm moves into your walls or roof.

Why Bees Swarm

Swarming is how a honey bee colony reproduces. When a hive grows crowded in spring, the old queen leaves with thousands of workers to find a new home. While scouts search, the swarm rests in a cluster on a branch, fence, eave or car.

What a Swarm Looks Like

A swarm is a ball or beard of bees hanging in the open, often the size of a football or larger. It may appear suddenly and can stay a few hours or a few days.

What to Do

Keep your distance. Swarms are usually calm, but most wild colonies here carry Africanized traits, so keep people and pets well back.

Do not spray or disturb it. Water, spray or noise can set off a defensive response.

Call quickly. A swarm is easiest to collect live while it is still out in the open. Once it moves into a wall or roof, removal means a cutout and repair.

Why Speed Matters

The longer a swarm stays, the more likely it is to settle into a gap in your home and start building comb. Same day removal in season, when the schedule allows, can save you a larger job later.

After the Swarm

Bees that found your property once may return. A bee proofing check can find and seal the gaps scouts are looking for.

Frequently Asked Questions

Will a swarm leave on its own?

Often, yes, within a day or two. But it may move into your home instead, so it is safer to have it removed.

Are swarming bees dangerous?

Swarms are usually less defensive than an established hive, but they can still sting if disturbed. Keep your distance.

What month has the most swarms in San Diego?

Spring usually brings the most swarm calls, though swarms can appear from February through August.

Can you remove a swarm the same day?

In season we often can when the schedule allows. Call as soon as you see it.

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