Autoflowers are hardy, easy-to-grow plants, but their yield is usually lacking. 

Many modern autoflowering strains are not only more powerful than buds from the early autoflowering plants. They also are a lot closer to their photoperiod sisters in their high yield potential.

In this article, we examine some of the highest-yielding Autoflowers available. Please note that we've based this list on outdoor yields, as indoor yields are limited due to space.

1. Black Jack Auto - 250 Gr/plant

Black Jack Auto from WeedSeedsExpress grown by Roberts on Growdiaries

The Sativa-dominant Black Jack Auto yields up to 250 grams per plant outdoors.

With 23% THC, it has the highest THC levels on this list, providing a powerful, energizing high that can improve focus. This strain has the shortest flowering time of these autoflowers and is easy to grow.

2. Cheese Auto - 210 Gr/plant

Cheese Auto from WeedSeedsExpress grown by WSE

The Cheese Auto strain yields up to 210 grams per outdoor plant.

It has a cheesy taste resembling Gouda or Camembert. This balanced hybrid provides a relaxing yet uplifting high that can surprise even experienced smokers. Experienced growers using SCROG can maximize yields.

3. Green Crack Auto - up to 300 Gr/plant

Green Crack Auto from WeedSeedsExpress grown by dinni5yn and Mother on Growdiaries

The Sativa-dominant Green Crack Auto yields up to 300 grams per plant outdoors.

This uplifting strain, which has a Christmas tree appearance, was named by Snoop Dogg. It has a sweet mango taste and aroma.

4. Amnesia Haze Auto - up to 300 Gr/ plant

Amnesia Haze Auto from WeedSeedsExpress grown by WSE

The Sativa-dominant Amnesia Haze Auto yields up to 300 grams per plant.

This high-yield strain rivals the feminised photoperiod version. Its earthy, citrusy, spicy flavour is unique. Though not the smallest Autoflower, Amnesia Haze remains smaller and more stealthy than photoperiod strains.

It's great for outdoor growers seeking higher yields without a long wait.

5. CBD Express Auto - up to 450 Gr/ plant

The CBD Express Auto strain yields up to 450 grams per plant when grown outdoors.

It contains less than 1% THC, so it's better for those seeking CBD's soothing effects and pain relief rather than a high. This strain has a longer flowering period.