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In Situ Garden Design, LLC
In Situ Garden Design, LLC

In Situ Garden Design, LLC

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Introduction
As a landscape designer, it has never been my instinct to bend nature to my will—rather, my work emphasizes long-term, sustainable and site-specific interior and exterior design; a patient, holistic approach, informed by research, study, and generational insight.
Overview

Hired 7 times

Serves New York, NY

Background checked

10 employees

4 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, PayPal, Venmo, and Zelle.

Social media

Instagram

Top Pro status

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2024

Services offered
Project scope
Property type

Residential

Commercial

Water installation needed

Existing system

Spinkler installation

Drip installation

Other

Projects and media

99 photos

Projects and media

99 photos

Reviews

Customers rated this pro highly for work quality, professionalism, and value.

Good 3.7

9 reviews

5
67%
4
0%
3
0%
2
0%
1
33%

Read reviews that mention:

pro avatar
Michele S.
Nov 15, 2024
·

Hired on Thumbtack

Hired on Thumbtack

I was delighted with the work In Situ did, completing the job in one day, as promised. They were prompt, hard-working and Sebastian had good advice and ideas about my garden.

Details: Small changes like planting flowers or trimming shrubs • Trim trees or shrubs • Yes, maintenance needed

Outdoor Landscaping and Design
pro avatar
Frank Z.
Dec 28, 2023
·

Hired on Thumbtack

Hired on Thumbtack

This review is way overdue! Sebastian was so great to work with. A true collaborator. He brought his vision to my project, heard my own vision for it, and found a way to bring the best of both visions to the work at hand. He and his workers were on time and worked their buns off. They removed a huge amount of debris and weeds and what remained was a clean, reshaped garden that was not only ready for the winter, but is ready with bulbs for spring. I will definitely be bringing him back to make sure this projects keeps looking its best. Check out the amazing before and after photos! THANKS SEBASTIAN! SEE YOU IN THE SPRING!

Details: Residential • Maintain an existing garden • Extra small (less than 1,000 sq ft) • Yes, I will provide plants • I don't need a sprinkler or drip system installed • As needed • Weeding • Weed prevention • Mulching

Gardening
pro avatar
Koby A.
Sep 30, 2023
IN SITU Garden Design is a Company I always engage for my gardening needs. Sebastian, the owner is a true professional, a knowledgeable horticulturist who knows just everything associated with plants, trees and flowers. Whenever I use his services he is punctual,leaves the working place clean and his prices are very reasonable. I strongly recommend In Situ Garden Design
pro avatar
Robert M.
Feb 17, 2023
Sebastian Trujillo is both a horticulturalist and an artist. He transformed my dreary little backyard space into a small magic garden. He's prompt and responsible and answered all my questions. And listened to all my suggestions. A pleasure to work with; I recommend him highly.
pro avatar
Roslyn W.
Jun 11, 2025
·

Hired on Thumbtack

Hired on Thumbtack

Sebastian Trujillo, an advertised landscape designer and horticulturist, arranged and installed my Brooklyn Brownstone backyard garden last summer, 2024. Now it is almost a year, 2025 and many of the plants shriveled up and died. Unsustainable. I am disappointed and dissatisfied. And invested thousands of dollars. He refuses to have a conversation---experts don't make mistakes? And he blames the customer. As a homeowner, it is more than recuperating some of my investment, it is about quality work and making providers accountable. What is more disheartening, Thumbtack is unable to substantiate or scrutinize---vet their experts. Mr. Trujillo is unprofessional and unwilling to assess the garden, his work, and the outcome. My advice is to be careful and accordingly, do your due diligence. Sebastian website is questionable. I hope with further assistance, my garden renovation and remodeling situation will improve with a remedy that I can live with. I have already submitted a claim without readdress. These are a few photo examples.

Details: Complete renovation like replacing soil or hardscape services • Plant flower beds • Back yard • Yes, maintenance needed • Home

Outdoor Landscaping and Design
Credentials
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Sebastian Trujillo Alzate

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