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HOLON Trust Portal

Access verification tools, nursery network & marketplace

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Our Growing Network

The Steward Impact Map

Every pin represents a front yard being transformed into a micro-sanctuary. Together, these individual actions form contiguous habitat corridors across our neighborhoods.

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Interactive Steward Map

This map displays active and prospective steward locations across Houston. Exact addresses are anonymized to neighborhood-level for privacy.

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Active Stewards
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Prospective
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Nursery Nodes
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Active Stewards
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Neighborhoods
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Nursery Nodes
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Sq Ft Restored
Grow with the Network

Steward Certification Pathway

Progress from Seed to Custode through hands-on learning, verified ecological action, and community engagement. Each stage unlocks new capabilities and recognition.

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Level 1

Seed Steward

Begin your journey. Create an account, complete orientation, and register your first garden commitment.

  • Create Trust Portal account
  • Complete Garden Orientation module
  • Register 1 commitment from the Menu
  • Upload L1 self-certification photo
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Level 2

Conservationist

Deepen your practice. Achieve peer verification, log species, and begin participating in the Nursery Network.

  • Pass L2 peer verification (3 neighbors)
  • Log 5+ native species in your garden
  • Complete the Steward's Walk for 8 weeks
  • Join 1 Nursery Network event
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Level 3

Steward-Leader

Become a verified leader. Pass professional bio-audit, mentor new stewards, and host community events.

  • Pass L3 professional bio-audit
  • Mentor 2 new Seed Stewards
  • Host 1 community garden event
  • Maintain 90+ credibility score
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Master

Custode

The pinnacle of ecological stewardship. Operate a Nursery Node, train others, and shape the network's future.

  • Operate a certified Nursery Node
  • Train 5+ stewards to L2 or above
  • 500+ sq ft verified native habitat
  • Contribute to network governance
Aligned Visions

Partners & Collaborators

Holon Gardens connects with individuals and organizations who share our belief that systemic change starts from the ground up—literally.

Jatziri Barron

Visual Artist & Muralist

Jatziri Barron is a Houston-based Mexican muralist and visual artist from Guanajuato, Mexico, who uses art as a medium to advocate for cultural identity, diversity, and community unification. Trained at the Glassell School of the Museum of Fine Arts Houston, her work bridges cultural narratives with ecological consciousness—aligning with Holon's vision of the front yard as a space of belonging and transformation.

Visit Jatziri's Portfolio →

Nilus

Climate Infrastructure & Water Resilience

Nilus is a Chilean climate infrastructure company tackling glacier retreat and water scarcity through the creation of artificial high-altitude ice reservoirs (“ice stupas”). By combining hydrology, advanced modeling, and nature-based engineering, Nilus develops scalable systems that store and regulate water in mountain ecosystems impacted by climate change — delivering verifiable water replenishment and contributing to long-term water resilience.

Learn About Nilus →

ALMAAHH

Latino Museum & Cultural Arts Complex

ALMAAHH—Advocates of a Latino Museum of Cultural and Visual Arts & Archive Complex in Houston, Harris County—is building Houston's first comprehensive Latino museum dedicated to preserving, celebrating, and advancing Latino arts and cultures. With a 181,000-square-foot campus planned in Houston's historic East End, ALMAAHH connects art, community engagement, and cultural preservation in service of a more inclusive city—values deeply aligned with Holon's mission of transforming neighborhoods from the ground up.

Visit ALMAAHH →

Friends of Columbia Tap

Community Trail & Heritage Advocacy

Friends of Columbia Tap Rail-Trail is a Houston-based organization founded by Edward D. Pettitt II dedicated to transforming the historic 4-mile Columbia Tap Trail—once a railway built by enslaved people to transport sugar and cotton—into a vibrant linear park and African American Heritage Interpretive Trail in Houston's Third Ward. Through community organizing, historical preservation, and green infrastructure, Friends of Columbia Tap shares Holon's commitment to building connected, equitable, and ecologically resilient neighborhoods from the ground up.

Learn About Columbia Tap →

Alley Theatre

Tony Award-Winning Theatre & Steward Partner

The Alley Theatre is Houston's Tony Award-winning resident theatre company—the oldest professional theatre in Texas and one of the oldest in the nation. Through a special partnership with Holon Gardens, the Alley Theatre offers exclusive benefits to registered Stewards, recognizing that ecological stewardship and cultural enrichment are complementary pillars of a thriving community. Sign up for micro-conservation through the Holon Trust Portal to unlock access to exclusive partner perks.

Visit Alley Theatre →
Community Impact

Our Growing Impact

Real-time ecological, social, and economic impact from our network of micro-conservation stewards.

3% Ecological Tipping Point Progress
0.00%
0 sq ft restored toward 444,312,000 sq ft goal
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Active Stewards
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Sq Ft Restored
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Gal. Water Impact / yr
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lbs CO₂ Impact / yr
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Native Species
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Sq Ft Pollinator Habitat
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Annual Savings
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Hours Acoustic Peace / yr
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Neighborhoods
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P2P Trades
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Community Events
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lbs Chemicals Avoided / yr

Impact estimates derived from the Quantification of Urban Micro-Conservation framework using zone-specific ecological baselines. Data updated in real-time.

From the Field

Insights & Thinking

Writings from our founder exploring the ideas behind Holon Gardens—micro-conservation, systemic change, and the front yard as the new civic space.

Featured

The Living Lattice

How to transition cities from isolated assets to connected ecological networks through micro-conservation as "Relational Stewardship"—positioning the front yard as the new civic space.

Read on Substack →
Science

Holon Gardens Are Scientific Gardens

Treating literal gardens as complex adaptive systems and research laboratories for developing frameworks to solve intractable problems through collective cognition.

Read on Substack →
Origins

Tacking from Games to Conservation

The strategic shift from Holon Games to micro-conservation—applying game-design principles about collective coordination to create contiguous ecological networks.

Read on Substack →
Resilience

Gardens —not Bunkers— for Survival

Gardening and community-based ecological restoration as fundamentally superior to technological isolation for long-term resilience and survival.

Read on Substack →
Innovation

Gardens of Innovation

How gardens serve as R&D paradigms for collective cognitive technology, drawing parallels to embodied AI development in complex urban environments.

Read on Substack →
Systems

Towards the Perennial Organization

How organizations can be structured like perennial ecosystems for sustainability, long-term viability, and regenerative growth beyond quarterly thinking.

Read on Substack →
Read All on Substack →
Rich dark soil — the foundation of every garden Native front yard garden with blanket flowers and salvia Community garden space with mural and native plantings Wildflower meadow — native habitat in action
About Holon

From collective cognition
to the front yard.

Holon Labs began as a research inquiry into collective cognition—how groups of individuals can think, adapt, and evolve together as a coherent whole. The question was fundamental: what are the conditions under which collective intelligence emerges?

The answer turned out to be surprisingly concrete. Collective cognition requires shared material practice—not ideology, not abstract agreement, but the physical act of co-creating something living together. The garden became the laboratory. The front yard became the thesis.

Holon Gardens is the applied expression of this research. Every micro-sanctuary is a "collective computer"—a node in a distributed network where ecological data, social connection, and cultural meaning are produced simultaneously. The gardening is the computing.

Our vision is not centered on the landscaping industry. It is about the cascading impact of front yard transformation across ecology, society, culture, economy, and political systems. The landscaping industry is merely the terrain where we are proving that a non-profit model can outperform extraction.

Read the Holon Substack →

Leadership Team

EM
Founder, President & Executive Director
Researcher in collective cognition and systems engineering
SB
Chief Curator & Ecologist
GF
Custodian
YO
TF
Chief Landscape Architect
Harvard GSD Landscape Architect & Kiley Fellow; Co-Director, CEPU at Universidad Adolfo Ibáñez

Board of Directors

Brandon Baylor Sarah Cove Andrea Hiott Monica Krishnan Yesenia Ochoa
What’s Growing

Germinating

Like every garden, our platform grows in seasons. We are listening to feedback, cultivating new ideas, and preparing new areas of the site to better serve our community. Below are some of the things currently germinating.

🌱 Germinating
📚

Education & Resources

We are preparing a dedicated space for learning materials, guides, and resources that explore the multiple dimensions of transformation through the front yard — from ecology and native planting to community building, economic resilience, and cultural stewardship. This section will grow into a living library for anyone ready to deepen their understanding of micro-conservation.

Coming Soon
🌱 Germinating
🤝

Opportunities & Volunteering

Soon this section will list opportunities to work with Holon Gardens, volunteer for conservation events, and contribute your skills to our growing network. We believe that meaningful change happens when people show up — with their hands, their knowledge, and their care.

In the meantime, if you are interested in joining us, volunteering, or collaborating in any way, we’d love to hear from you. Reach out directly through our contact form:

Reach Out to Holon Gardens →
Butterfly on flower — every garden supports the pollinator ecosystem
Conserving the relationship between people and place.
Get Started

Begin your transformation.

Whether you're a homeowner ready to reclaim your front yard, a commercial property owner seeking ecological leadership, or an organization looking to partner—we'd love to hear from you.

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You
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Interest
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Review
Welcome back! We've pre-filled your details from your portal profile. You can edit any field before submitting.

🌱 The Gift of a Garden — 3% Initiative

The Urban Sanctuary Trust invites you to apply for the Gift of a Garden. This is not a landscaping giveaway—it is an invitation to join a city-wide network of Custodes (guardians) working to cool our streets, absorb floodwaters, and restore the song of the wild to our city.

Through the generosity of our Patrons, we offer fully installed Native Pocket Prairies and Rain Gardens to select homes. You will receive a Site Assessment, a full "9 Natives" Guild installation, a Sanctuary Box with tools, guides, and seeds, and a lifetime membership to the Holon Trust verification network.

You do not pay in dollars; you pay in Cura (care). You commit to watering, weeding, and "leaving the leaves" for two years as the garden sleeps, creeps, and leaps.

Read more about the 3% Initiative and selection criteria →
Part I: The Node — Site Information
Help us understand the ecological potential of your property.
Ownership Status
Ecological Context
Part II: The Need — Socio-Economic & Contextual Criteria
We prioritize support for neighbors who act as community anchors but may face barriers to accessing ecological resources. All fields optional.
A. Direct Verification (Optional)
B. Contextual Indicators — Lifestyle & Access

Help us understand your daily reality and neighborhood needs.

Environmental Stress & Energy Burden
Part III: The Agency — Stewardship Potential
We're looking for neighbors ready to trade "mow-and-blow" for "observe-and-interact."
The "Steward's Walk"

A 15-minute weekly practice where you walk your land not to work, but to observe. It involves: (1) Grounding — listening to the soundscape, (2) Checking Soil — the "knuckle test" for moisture, and (3) Micro-Action — identifying new life or pulling an invasive weed.

The "Bougainvillea Paradox"
Part IV: Community Connection
The Sharing Shelf

A small, accessible structure (like a "Little Free Library") stocked with garden tools, seeds, or books to foster sharing among neighbors.

The New Lemonade Stand

A mini-marketplace for ecological exchange where kids can trade soil, worms, native seeds, or compost with neighbors.

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✎ Edit your information

Your inquiry has been submitted!

Create a free Holon Trust Portal account to track your submission, access stewardship tools, and join our community of urban ecological stewards.

✓ Track your inquiry status
✓ Access stewardship tools
✓ Auto-fill future forms
✓ Join the verification network
Products & Services

What we offer

Residential: Native garden design, installation, and Transitional Stewardship. DIY support, verification, and community membership.

Commercial: Master planning, ecological installation, ongoing stewardship, bio-audit certification for ESG, and employee engagement programs.

3% Initiative: Donated garden applications, sponsorship programs, and community organizing.

Network: Distributed Nursery participation, Front Yard Asset marketplace, and supply-side certification.

Holon Foundation

A 501(c)(3) non-profit organization.

Houston, Texas

info@holonfoundation.org

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