Natalyin Arbuzik (Natalya’s Watermelon) Tomato Review

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🍅 Quick take: Natalyin Arbuzik (Natalya’s Watermelon) is a mystery heirloom introduced by a beloved, now-deceased forum member. It is an indeterminate, mid-early pink beefsteak that produces massive, sweet, sugary fruits (some reaching over 2.2 lbs / 1 kg). It gets its working name from the distinct dark green watermelon-like stripes visible on the unripe green fruits. Growers rave about its fantastic sweet flavor, high yields, and rugged performance even in cold, wet outdoor conditions. Full summary ↓

Growers’ Notes and Photos (USDA Zones 4-5)

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Esme (Galina) ⭐ Pro Grower (5,701 posts)

I was a bit hesitant to add this variety to our catalog, mostly because after several years I still haven’t been able to figure out its real name. Here is the backstory.

My coworker (Natalya, obviously) is a fantastic, hardworking gardener, but she never bothers to remember what seed packets she starts her plants from, and she always throws the packets away. About 5 years ago she had an amazing harvest, and she completely fell in love with one specific variety because of its sweetness and massive fruit size. She brought me a tomato to save seeds from (and even gave me a few just to taste). No matter how much I interrogated her, she couldn’t remember the real name, just told me that she personally calls them “Watermelons” because the unripe green fruits have very distinct stripes:

Natalyin Arbuzik (Natalya's Watermelon) unripe striped tomato, photo by Esme (1)
Natalyin Arbuzik tomato stripes, photo by Esme (2)
Natalyin Arbuzik green striped tomato, photo by Esme (3)

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Esme (Galina) ⭐ Pro Grower (5,701 posts)

I don’t leave my tomatoes on the vines until they are dead ripe (mainly to beat the two-legged “helpers” who like to raid gardens), and with beauties like this… well, you get the idea.

I planted 6 vines this year because I’ve grown it before and really loved it. The plant is indeterminate, regular leaf, mid-season (leaning toward mid-early). When we got hit with a sudden heavy downpour in August, a few of the massive fruits cracked a bit, but nothing critical. I should probably mention that I gave all my plants a foliar spray a few times with a Calcium and Boron mix to help prevent BER (blossom end rot) and reduce cracking, which definitely helps.

The flavor is fantastic, with a very noticeable sweetness. The variety definitely wants to throw massive slicers, reaching 1.5 lbs (676 g) is a pretty impressive result for me (really kicking myself for not taking a photo of that one sliced open).

Natalyin Arbuzik massive pink tomato on scale, photo by Esme (4)
Natalyin Arbuzik harvested tomatoes, photo by Esme (5)
Natalyin Arbuzik sliced pink tomato, photo by Esme (6)

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Esme (Galina) ⭐ Pro Grower (5,701 posts)

A few more photos (I would be incredibly grateful if someone could actually ID this variety):

Natalyin Arbuzik sliced tomato, photo by Esme (7)
Natalyin Arbuzik ripe pink tomatoes, photo by Esme (8)

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Nadia (Nadezhda) ⭐ Pro Grower (10,764 posts)
📍 Kaluga Region, Russia (USDA Zone 5)

My seeds were from our dear Galya (Esme), bless her memory 😢 I was so worried they wouldn’t germinate, the packet was dated 2009. But they popped right up, and I am absolutely thrilled.

Very worthy variety 👍 Heavy yielder, incredibly meaty, and delicious.

Natalyin Arbuzik huge pink tomato, photo by Nadia (1)
Natalyin Arbuzik sliced, photo by Nadia (2)
Natalyin Arbuzik thick slice, photo by Nadia (3)

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ElenaN (Elena) ⭐ Pro Grower (28,513 posts)
📍 Kostroma, Russia (USDA Zone 4)

Got my seeds from Galya (Esme). She gave it this working name because the real one was lost to time. She used to compare it to Malinovyi Gigant (Raspberry Giant), but it’s definitely not that, I’ve grown that one before.

Grew this out in the dirt, and even in this cold, rainy summer it proved to be a heavy yielder, super low-maintenance, and delicious with sugary flesh. At the green stage, the tomatoes had that striped pattern, really looking exactly like little watermelons, very pretty.

Whenever possible this year, I sent seeds of this variety out to our forum folks who remember our Galya. Huge thanks to her for this variety, and may she rest in peace!

Natalyin Arbuzik unripe striped tomato, photo by ElenaN (1)
Natalyin Arbuzik green stripes, photo by ElenaN (2)
Natalyin Arbuzik ripe pink fruit, photo by ElenaN (3)

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Ol’Ka (Olga) ⭐ Pro Grower (1,874 posts)
📍 Belgorod Region, Russia (USDA Zone 5)

I actually saw those same kind of stripes on my Gigant Sukhanova (Sukhanov’s Giant) vines this year. The photo is a bit blurry, but you can kind of see it.

Striped Gigant Sukhanova tomato, photo by Ol'Ka

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ElenaN (Elena) ⭐ Pro Grower (28,513 posts)
📍 Kostroma, Russia (USDA Zone 4)

Olya, yeah, I noticed those same characteristic stripes on Gigant Sukhanova too, but the tomatoes themselves taste totally different. Gigant Sukhanova has a good balanced flavor, but with a nice acidic tang. Natalya’s Watermelon is pure sweetness.

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Svetikk (Svetlana) ⭐ Pro Grower (29,398 posts)
📍 Moscow Region, Russia (USDA Zone 4)

This variety is easily one of the best discoveries of the season! 👍 Big thanks for the seeds and the recommendation to Tanya, 🌺 and to our Galya-Esme for spreading this incredible variety to the masses, we remember and love her! 😘

I grew 2 vines in the greenhouse, pruned to 2 stems each. Tall, huge yield, gorgeous round pink fruits, and one of them even tipped the scales at over 2.2 lbs (1 kg)! Set fruit reliably all the way up the vine. Absolutely loved the flavor, perfectly balanced with a lot of sweetness, just how I like it! 😋

The stripes on the green fruits weren’t as obvious in the greenhouse shade compared to the folks growing it outdoors, but they were definitely there! I inspected them closely 😊

Natalyin Arbuzik harvested pink tomatoes, photo by Svetikk (1)
Natalyin Arbuzik huge slicer on scale, photo by Svetikk (2)
Natalyin Arbuzik ripe pink fruits, photo by Svetikk (3)
Natalyin Arbuzik sliced pink tomato, photo by Svetikk (4)

Full Summary: Plant, Yield, Taste and Storage

  • 🌿 Plant: Indeterminate, mid-early season. Tall, robust vines that perform exceptionally well both in greenhouses and outdoors. The defining characteristic of this mystery variety is the distinct dark green, watermelon-like stripes visible on the unripe fruits. The mature fruits are massive, round pink beefsteaks weighing 1.5-2.2 lbs (650-1000 g).
  • 📈 Yield: Extremely heavy yielder. Growers report that it sets fruit reliably all the way up the vine, even in cold, rainy outdoor conditions.
  • 👅 Taste: Universally loved. Very sweet, sugary, and meaty flesh with a perfectly balanced profile. It lacks the acidic tang found in similar large pinks.
  • 📦 Storage: As with most massive heirloom pinks, the skin is somewhat thin. It can be prone to cracking after heavy rains, so maintaining consistent soil moisture (and using a Calcium/Boron foliar spray) is recommended.
  • 🌎 Who Reviewed It: Growers across Russia (USDA Zones 4-5). This variety is especially cherished on the forum as a legacy heirloom spread by a beloved late community member.

👨‍🌾 Editor’s Note: Calbit, Boroplus, and “Helpers”
In the second post, Esme mentions dealing with two-legged “helpers” (помощники) — this is a tongue-in-cheek Russian gardening slang for thieves or neighborhood pests who raid dacha gardens to steal ripe crops.She also mentions treating her plants with a Calcium/Boron mix to prevent cracking. In Russian agriculture, Calbit C (a liquid calcium supplement) and Boroplus (a boron supplement) are frequently tank-mixed and used as a foliar spray during fruit set. This combo is a highly effective way to prevent Blossom End Rot (BER) and strengthen the fruit skin against sudden rain splits.

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