At Mercer Mushrooms, our commitment to sustainable and efficient cultivation methods is at the heart of everything we do.

By blending traditional expertise with innovative practices, we ensure every mushroom — from our versatile white mushrooms and richly flavoured Swiss browns to our hearty portobellos — is of the highest quality. With a steadfast focus on taste, quality, and innovation, we're proud to offer New Zealand's finest mushrooms, available year-round.

Mercer Mushrooms in the box
Mercer Mushrooms in the box


Our Tasty Trio


Understanding the unique health benefits of Mushrooms…

Button mushrooms have many qualities. They are rich in nutrients such as B-vitamins and C-vitamins. Also rich in minerals such as potassium, copper and iron.

White button mushrooms specifically, also contain dietary fibre, which is essential for your digestive health, and antioxidants that may help combat oxidative stress in the body.

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More Energy

We need B-vitamins for more energy, and mushrooms deliver them on a silver platter. Especially white mushrooms contain a fair amount of vitamin B2 and B3. Many mushrooms are rich in the mineral copper, which is also beneficial for your energy levels.

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Strong Immunity

There is evidence that mushrooms can strengthen our immunity. They do this by nourishing the beneficial bacteria in our intestines. Considering that about 80 percent of our immunity resides in our intestines, you understand that mushrooms can contribute to a robust immune system. So, make sure to use mushrooms abundantly in various dishes, from pasta sauce to vegetable omelets.

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Caring for your heart

All mushrooms contain a type of fiber that improves your cholesterol levels and keeps your heart healthy. Additionally, the mineral potassium is present in large quantities in mushrooms. Portobellos, in fact, contain as much potassium as bananas. This mineral plays a crucial role in maintaining heart health.

Icon Good for your weight
Good for your weight

Mushrooms have high nutritional value and are virtually calorie-free. This is perfect if you're looking to lose weight or maintain a healthy weight. With few calories, you get a lot of nutrients, keeping you satisfied for longer periods. As a result, you're less likely to reach for unhealthy snacks. The fibers in mushrooms, which are healthy for your heart, also help to keep your blood sugar levels balanced. This reduces the risk of developing diabetes type 2.

Icon Beneficial to your overall health
Beneficial to your overall health

While brightly colored vegetables and fruits are often praised for their abundance of cell-protecting antioxidants, don't forget about portobello mushrooms. These mushrooms contain as many antioxidants as red peppers.

Did you know?

Unlike most plants, our mushrooms flourish in the dark. Yes - they grow in the dark!

Nutritional Chart

Let’s dig into the nutritional details behind our mushrooms

Serving size 100gWhite 
mushroomsSwiss brown mushroomsPortobello mushrooms
Serving size 100gWhite 
Serving size 100gSwiss brown mushrooms
Serving size 100gPortobello mushrooms
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Mercer Mushrooms farm
Mercer Mushrooms farm

A fresh focus on quality…

At Mercer Mushrooms, quality is our top priority. We strive to provide our customers with top-quality mushrooms, and we do everything possible to maintain this standard. It starts with careful supervision at every stage of production, from composting to cultivation and mushroom processing. Additionally, our strategic location near Auckland allows us to quickly deliver our mushrooms to the wholesale, retail and home box delivery markets, ensuring their freshness.

Get in touch

55 Morrison Road,
Pukekawa, 2696 New Zealand