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    Life on Mars

    Innovative projects land Texas design firm on prestigious top 100 list

    Tyler Rudick
    Apr 6, 2013 | 10:42 am

    In just three short years, Houston design firm MaRS is already making waves beyond Texas — going so far as to overtake global players like Gensler and Marimekko on Interior Design magazine's recent top 100 list of international projects.

    For those who find contemporary design too cold or too sleek or too conservative, MaRS offers a fresh outlook that fuses a sort of Koolhaas cool with a willingness to laugh — a quality that's set design purists on edge since Robert Venturi mounted a gold TV antenna atop a Philadelphia retirement building in the early '60s.

    "We often try to add a bit of humor to our work, which helps smooth out the more rigid edges of modernism," says interior architect Kellie Mayfield, who launched MaRS with architect Erick Ragni in 2010 after the two met working for the celebrated Lauren Rotett Studios in Los Angeles and Houston.

    "We often try to add a bit of humor to our work, which helps smooth out the more rigid edges of modernism," says designer Kellie Mayfield.

    Mayfield and Ragni lured thousands of art collectors to a playful lounge at the 2012 Texas Contemporary Art Fair. With shipping pallets, red umbrellas and seats made from exercise balls, the clever bar area not only won them attention from the design community, but also helped the team score a contract to work with the fair in October 2013 when it returns to the George R. Brown.

    "Art has always been an integral aspect of our work," Ragni tells CultureMap from the firm's quirky hip headquarters in a midcentury office complex off West Alabama and Buffalo Speedway. "It creates a tangible sense of place, especially when you work with local talent."

    The designers work regularly with Houston artists like Paul Fleming and Gonzo 247, the latter of whom was given free reign to cover one of MaRS' office walls with a massive mural.

    Design as storytelling
    When Mayfield and Ragni describe the world of MaRS, it's clear their vision stretches far beyond the traditional boundaries of architecture and interior design. With experience designing everything from furniture and upholstery to large-scale building efforts, the duo forges a multilayered environment capable of "telling a story," as they like to say.

    "We want to express the unique personality found in each of our clients and each of our projects," Mayfield says. "As such, we tend to draw our inspiration from a wide range of material."

    For Shipley Snell Montgomery — a young downtown law practice with a relatively modest budget — MaRS repurposed stacks of outmoded legal books found in the office to create a trademark reception desk. At energy exploration firm GEC Houston, the designers built furniture inspired by rolls of vintage geological maps sitting in a company storage area.

    As for what's on the MaRS horizon, North Texas will soon experience the studio's room redesigns at the W Dallas Victory sometime in early 2014. For a taste of what to expect, check out the early carpet patterns.

    Kelie Mayfield and Erick Ragni of Houston design firm MaRS.

    Kelie Mayfield, Erick Ragni, MaRS
    Photo by Julie Soefer
    Kelie Mayfield and Erick Ragni of Houston design firm MaRS.
    unspecified
    news/home-design

    Floral studio in booming Celina blossoms with plans for full flower shop

    Karen Chaney
    Jun 10, 2026 | 3:24 pm
    Greenologie Flower Shop
    Photo by Karen Chaney
    Greenologie Flower Shop floral designers Julie Holland (left) and Rebecca Calvert have big plans for the future.

    Tucked behind the sprawling grounds of Shades of Green, a 10-acre garden center in Celina, sits a house where Rebecca Calvert and Julie Holland often work into the wee hours creating floral arrangements for their Greenologie Flower Shop.

    Open since June 2025, Greenologie is a boutique floral design studio that offers handcrafted floral arrangements, flower delivery or pick-up, floral design workshops, and wedding and event floral design services. For the last year, Calvert and Holland have been operating from Shades of Green, by appointment only.

    But the floral business is booming in Celina - one of the fastest-growing cities in the country - and the duo has ambitious plans to transform the floral business into a traditional flower shop. They're used to putting in the long hours it will take to make it grow.

    “We flower-design a lot at nighttime,” Calvert says. “We always joke — because the lighting isn't great — that we're kind of designing in the dark. The next day we get over there, and we're like, oh, it's really, really beautiful.”

    In addition to making custom floral arrangements, Greenologie also offers flower arranging classes for the public, including the upcoming Sips & Stems: Wine Glass Flower Arranging Night, on July 15 at Valley Vines in Celina.

    Last fall, the company launched a porch decorating service called Pumpkin Porch Party, which featured multi-colored pumpkins, gourds and seasonal flowers. It was a hit, and they plan to offer the service again this year.

    “People pay you to zhuzh up their porch,” Calvert says. “We launched it last minute, and it went really well. We did about 30 porches over North Texas and it was super fun.”

    Greenologie Greenologie will offer Pumpkin Porch Party in the fall.Photo courtesy of Greenologie

    Calvert co-owns Greenologie and Shades of Green Nursery + Landscape with her husband, Jarratt Calvert. Flowers are a family business.

    Rebecca Calvert’s father, Jeff McCauley, opened Shades of Green in 1977 with a childhood friend while they were students at Texas A&M University. The first Shades of Green garden center opened in McKinney in 1988 before relocating to Frisco in 1994. In 2022, a second location opened in Celina, which is now the company’s sole Shades of Green garden center.

    Calvert and Holland have to be nocturnal florists because of their day jobs at Shades of Green.

    After graduating from Texas A&M University with a degree in communications, Calvert, a longtime Celina resident, spent nearly a decade working in corporate human resources. Following the birth of her first child, she decided to leave the corporate world and found a new way to use her HR experience through her work at Shades of Green.

    “I would say [Shades of Green] is the job I have to do, and Greenologie is the job I get to do,” Calvert says.

    Holland, the garden center manager and a Celina resident, earned a degree in agricultural services and development with a focus on horticulture at Tarleton State University. Prior to beginning her career at Shades of Green four years ago, she taught floral and horticulture classes and ran a flower shop from her classroom. Holland traces her botany bond back to her grandmother, whose flower shop she loved visiting as a young girl.

    Greenologie Flowers used in Greenologie arrangements are sourced from Trader Joe’s and from Rebecca Calvert’s Celina home garden.Photo by Karen Chaney

    Calvert says she and Holland share responsibilities as well as a similar design aesthetic.

    “We are more on the contemporary side — whimsical is a good word,” Calvert says. “We've done a few events and weddings where it was kind of copy and paste, and that's great too. But we both have the most fun whenever we can design without any constraints.”

    The owners' goal is to open their own brick-and-mortar shop in the next five years. For now, orders placed online for Greenologie can be delivered or picked up at Shades of Green, 1213 E. Sunset Blvd., Celina.

    “Greenologie will have its actual own little flower shop next to the Shades of Green storefront,” Calvert says. “It will be a traditional flower shop with gifts and a flower bar to pick your flowers from.”

    celinacelina growthflower shopfloral design
    news/home-design
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