Need Help? Call us at 516-747-5500

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Gus Mastro

👨‍🌾 About Gus – Owner & Head Designer 40+ Years of Floral Experience • Master Designer • Trusted Local Florist At the heart of The Roslyn Florist / Williston Park Florist is Gus, our owner and head designer. With over 40 years of professional floral design experience, Gus has become one of the most respected and trusted florists in the Williston Park and Roslyn communities. Gus began his career in the floral industry at a young age, learning the art of design, color, and composition long before opening his own shop. Over the decades, he has created thousands of custom arrangements for weddings, funerals, special events, holidays, and everyday occasions—each crafted with care, precision, and genuine passion. His design style blends classic elegance with modern creativity, giving customers truly unique floral pieces that stand out. Whether it’s a delicate sympathy tribute, a romantic anniversary bouquet, or an extravagant wedding installation, Gus brings unmatched expertise and attention to detail to every arrangement. 🌸 A Florist Who Truly Cares Gus is well-known for his warm personality, exceptional customer service, and dedication to quality. Many customers come in asking for him by name, trusting his guidance for important life moments—from joyful celebrations to heartfelt condolences. He personally oversees every major arrangement, ensuring that each design meets the highest standards of freshness, beauty, and craftsmanship. 🎨 Specialties Gus is highly skilled in: Custom Floral Designs Sympathy & Funeral Arrangements Premium Wedding Flowers Large-Scale Event Florals Elegant Centerpieces & Home Décor High-End Garden-Style & European Designs Same-Day Flower Recommendations Color & Design Coordination His deep knowledge of flowers, textures, and design principles allows him to create arrangements that perfectly suit each customer’s needs. 💐 A Legacy of Excellence For more than four decades, Gus has built long-lasting relationships with families, funeral homes, event venues, and local businesses throughout: Williston Park, Roslyn, Mineola, Garden City, Port Washington, Brookville, Oyster Bay, Westbury, New Hyde Park, and all of Nassau County. His work has become a staple in the community, with countless customers trusting him for the most meaningful and personal floral moments in their lives. ❤️ Meet the Designer Behind the Flowers When you order from The Roslyn Florist / Williston Park Florist, you’re not just buying flowers—you’re receiving the expertise, artistry, and dedication of a designer with 40+ years of experience. Gus looks forward to serving you and creating something beautiful for your next occasion.
54 Hillside Ave, Williston Park, NY, 11596
54 Hillside Ave Williston Park NY
(516) 747-5500
theroslynflorist43@verizon.net
Monday - Tuesday - Wednesday - Thursday - Friday - Saturday 7:30 AM - 3:30 PM Sunday 8 AM - 2 PM

About The Roslyn Florist

⭐ About Us – The Roslyn Florist / Williston Park Florist

Local Flower Delivery • Same-Day Flowers • Funeral Flowers in Williston Park, Roslyn & Nassau County

At The Roslyn Florist / Williston Park Florist, we design every arrangement with you in mind. As a trusted, family-owned Williston Park and Roslyn florist, we proudly serve the surrounding communities of Port Washington, Brookville, Oyster Bay, Mineola, Garden City, and all of Nassau County.

Our goal is simple: provide the freshest flowers, exceptional service, and beautiful designs for every sentiment and occasion. Whether you need same-day flower delivery, birthday flowers, anniversary bouquets, sympathy tributes, or custom event florals, we’re here to help you express your message with elegance.

Frequently Asked Questions - FAQs

Do you offer same-day flower delivery in Williston Park?
Yes, we provide same-day delivery in Williston Park.
How much does flower delivery cost in Williston Park?
Delivery fees vary depending on the location and distance. At checkout, you’ll see the exact cost for your area.
Can I order online or by phone?
Yes! You can order online anytime at roslynflorist.com or by phone at (516) 747-5500 during our business hours (Mon-Thu 7:30 AM-5:30 PM, Fri 7:30 AM-6:25 PM, Sat 7:30 AM-3:30 PM, Sun 8:00 AM-2:00 PM).
What forms of payment do you accept?
We accept major credit/debit cards, Apple Pay, Google Pay, Link, bank account payments, and Afterpay at our online checkout. For in-store or phone orders, we take cards, House Accounts, cash, and checks.
Can I request certain flowers or colors?
Of course! You can let us know your preferred flowers or color palette. While some blooms may be seasonal or limited, we’ll do our best to create an arrangement that reflects your vision.
What happens if the recipient isn’t home?
If the recipient isn’t available, our driver will either leave the flowers in a safe spot or, if needed, arrange a re-delivery at a later time.
Do you deliver flowers to hospitals, offices, or event venues in Williston Park?
Yes, we deliver to homes, hospitals, businesses, and venues across Williston Park. Please provide the full address and any delivery notes during checkout.
Can I include add-ons with my bouquet or arrangement?
Absolutely! We offer a variety of flower delivery add-ons to personalize your arrangement such as small gifts or keepsakes. You’ll see available add-ons on each product page and again at checkout.
How do I make my flowers last longer?
Trim the stems, place them in fresh water, and keep the arrangement in a cool spot away from direct sunlight to extend their life.
Why choose flowers by The Roslyn Florist?
What sets us apart is the care in every detail: fresh, quality blooms, thoughtful design, and a wide online selection. We’ve got plenty to choose from for the big days—Valentine’s Day, Mother’s Day, Thanksgiving, and Christmas—in Williston Park, and we don’t stop there. From everyday bouquets to weddings and events, we’ve got you covered. Have something in mind? Tell us your colors or favorite flowers and we’ll make it happen.

Where we deliver

The Roslyn Florist proudly serves Albertson, Manhasset, Williston Park, Garden City South, Roslyn, Brookville, East Hills, Glen Cove, Manhasset Hills, Mineola, New Hyde Park, North Hills, Old Brookville, Old Westbury, Port Washington, Roslyn Heights, Roslyn Harbor, Sands Point, and Westbury.

The Roslyn Florist also delivers to the following cities: Roslyn Florist: Flowers & Flower Delivery by The Roslyn Florist, Plainedge, Lakeview, Floral Park, Bellrose Village, New Cassel, Lattingtown, Stewart Manor, Roosevelt Field, Oyster Bay Cove, South Floral Park, Bellerose Village, Laurel Hollow, South Hempstead, Mitchell Field, Muttontown, Floral Park, Lake Success, South Floral Park, Upper Brookville, Great Neck, Hillside Manor, Mitchell Field, South Hempstead, Laurel Hollow, Bellerose Village, Franklin Square, West Hempstead, Uniondale, East Norwich, Oyster Bay Cove, East Meadow, East Williston, Allenwood, Great Neck Plaza, Kensington, Saddle Rock Estates, Manhasset Hil, Baxter Estates, Harbor Acres, Manorhaven, The Terrace, Garden City, Glenwood Lndg, Oyster Bay, Grt Neck, Port Wash, Roosevelt Field, Stewart Manor, Glenwood Landing, Greenvale, Hempstead, Lattingtown, New Cassel, Bellrose Village, Great Nk, University Gardens, Great Nck Plz, Russell Gardens, Thomaston, Plandome, Garden City P, Garden City Park, Gdn City Park, North H P, Pr Wash, Horace Harding, Queens, Glen Head, Lakeview, Locust Valley, Sea Cliff, Jericho, Plainedge, Syosset, Hicksville, Bellerose Terrace, Glen Oaks, Gt Neck, Great Neck Estates, Herricks, Lakeville Estates, Prt Washingtn, Douglaston, Flushing, Little Neck, Carle Place, Matinecock, Roslyn Estates, Island Trees, Levittown, Centre Island, Cove Neck