marelsan Gardening Logo Marelsan
Andris Kalniņš, Senior Gardening Expert at marelsan SIA, portrait photo with professional attire
Senior Gardening Expert

Andris Kalniņš

Urban Gardening & Baltic Climate Specialist

Helping Latvian hobbyists grow vegetables, build raised beds, and choose cold-hardy perennials that thrive in Rīga's unpredictable climate.

Marelsan SIA Latvia

The Gardening Journey

Andris discovered his passion for gardening while helping his grandparents maintain their traditional dārzs in Sigulda during childhood. It wasn't just about growing food — it was about understanding how things actually work in the Latvian seasons. Long, cold winters. Short summers. Frost arriving when you least expect it.

After graduating from the Latvia University of Life Sciences with a degree in Horticulture in 2008, he spent eight years as a landscape designer. But that felt too removed from real gardening. In 2014, he founded the Baltic Urban Gardens Initiative, which has helped over 800 Latvian households establish productive raised bed systems adapted to zone 3 climate. That's not theory — that's real people, real gardens, real harvests.

His 2018 research on cold-hardy perennial selection for the Nordic region was published in the Nordic Gardening Review. But Andris doesn't think in academic terms. He thinks in practical terms: What actually survives February in Rīga? What vegetables can you realistically harvest before September frosts? How do you build a raised bed system that doesn't drain heat too quickly in short summers?

That's where his expertise lives — in the intersection of what works on paper and what works in Latvian soil.

16
Years in Urban Horticulture
800+
Households Supported
3
Community Projects Led
2008
Year Graduated

Areas of Expertise

What Andris focuses on and writes about

Raised Bed Systems

Designing and building raised beds that work with Latvia's short growing season. Soil composition, drainage, thermal mass — everything matters when you're working with 4-5 frost-free months.

Vegetable Growing

Which vegetables actually thrive in Latvian conditions. Not everything works in Rīga. Andris knows which varieties mature quickly, handle unpredictable weather, and produce real harvests.

Cold-Hardy Perennials

Selecting perennial flowers that don't just survive winter — they thrive. His research identifies zone 3-appropriate plants that return year after year without coddling.

Urban Allotments

Maximizing space in Rīga allotment gardens. Working with limited plots, shared resources, and community constraints. He's managed the award-winning Juglas Allotment Collective since 2015.

Soil Management

Building healthy soil in Latvian gardens. Composting, amendments, microbial life — the foundation everything else depends on in challenging climate zones.

Season Extension

Stretching the growing season with practical techniques. Cold frames, cloches, mulching strategies — tested approaches that actually work in Latvian springs and falls.

Professional Background

2008

Horticulture Degree

Latvia University of Life Sciences

2008-2016

Landscape Designer

Self-employed, multiple projects across Rīga

2014-Present

Founder & Director

Baltic Urban Gardens Initiative

2015-Present

Project Manager

Juglas Allotment Collective (Award-winning)

2018

Published Research

Nordic Gardening Review - Cold-Hardy Perennials for Zone 3

2022-Present

Senior Gardening Expert

Marelsan SIA

"Urban green spaces don't just produce vegetables. They transform communities. But they have to work in real conditions — not theoretical ones. That's why everything I write starts with a simple question: Does this actually work in Rīga's climate?"

Andris Kalniņš

Writing Philosophy

Andris doesn't write gardening guides for ideal conditions. He writes for Latvian gardeners dealing with frost, unpredictable springs, and abbreviated summers. Every article is tested in real gardens — not laboratories. Every recommendation is practical, not aspirational.

He believes in transparent timelines. You won't hear "see results in weeks" — you'll hear "expect this to take 6-8 weeks, and here's why." He shares what works, what doesn't, and what requires patience. That's the kind of expertise that builds trust.

Ready to Start Your Baltic Garden?

Browse all gardening resources for Latvia, explore our full collection of climate-specific growing guides, or get in touch with questions about your garden setup.