Raised garden beds and a shed at a school educational garden in Lafayette, Colorado

Plant Heroes: the free K-5 garden lessons from the public gardens association

Growing guides
September 07, 2026

Quick disclosure before anything else: Plant Heroes is not us.

We just think what they built is worth your Saturday morning, and the name overlap made us laugh enough to go look. Here is who runs it and what is actually in the free library.

Who is actually behind this

Plant Heroes is a program of the American Public Gardens Association (APGA), the nonprofit-style association that champions and advances nearly 600 public gardens across North America and internationally, per APGA's homepage.

The program itself is supported by the US Forest Service, per APGA's Plant Heroes page. So this is not a startup app or an influencer side project: it is a national gardens association and a federal agency, aimed at getting kids outside and curious.

The mission, in APGA's own words, is to connect kids to nature, plants, and forest ecosystems where they live, study, and play, regardless of cultural, religious, or socioeconomic background, per APGA's Plant Heroes page.

The current focus is teaching how plants and green spaces support us, and how kids can care for them in return, aiming to turn young learners into agents of environmental change.

Raised Flower Bed at Spier's A national gardens association and a federal agency built this, not an app.

What is actually in the free library

Here is the part worth bookmarking. The Plant Heroes resource library is free, and it is not thin.

It holds downloadable lessons, journal pages, conservation comics, field guides, and activity books for grades K-5, all available in English, Spanish, and simplified Chinese, per plantheroes.org and APGA's Plant Heroes page.

You can filter that library the way you would filter anything you actually plan to use:

  • An age band, 4 to 7 or 8 to 10 years old.
  • A lesson theme: ecology, forest health, or plant conservation.
  • A setting: classroom, outdoors, or virtual.
  • A teaching style: art and movement, nature play, place-based learning, or storytelling.
  • A resource type, if you already know what you want: activity, comic, field guide, journal, or lesson.

Some materials are aligned to Next Generation Science Standards, which matters if a teacher needs to justify the time, per plantheroes.org/resources. The site also runs a "Find Your Garden" tool pointing families to local public garden programming, plus an educational blog with new lesson ideas, per plantheroes.org.

One review on the Plant Heroes site captures the actual use case: a staffer handed a "Looking at Leaves" journal page to three siblings visiting a discovery cart last summer.

They borrowed pencils, went into the gardens, and came back proud to have found every leaf adaptation on the sheet, per plantheroes.org. That is the whole model: one page, one walk, one kid who looks at leaves differently.

Peak to Peak Charter School educational garden with One printable journal page, one walk outside, one kid who looks at leaves differently.

Bottom line

  • Plant Heroes is run by the American Public Gardens Association with US Forest Service support, not by any of the plant-ID or plant-care apps its name sounds like, per APGA's Plant Heroes page.
  • The K-5 library is free and includes lessons, journal pages, comics, field guides, and activity books in three languages, per plantheroes.org.
  • You can filter by age, theme, setting, teaching style, or resource type, and some materials map to Next Generation Science Standards, per plantheroes.org/resources.
  • A single printed page works anywhere: a backyard, a school courtyard, or the car on the way to a fall garden visit.

Your zone

  • Zone 3-4: [VERIFY: Plant Heroes' own pages give no zone-specific guidance for what is still outdoors to observe here in November]. For what to actually plant or wrap up in the garden itself this month, see your fall garden to-do list, by zone and planting garlic this fall.
  • Zone 5-6: [VERIFY: same gap in the source pages for zone 5-6]. Check your fall garden to-do list, by zone and planting garlic this fall for what is still going into the ground this month, and let a Plant Heroes journal page ride along for the walk.
  • Zone 7-8: [VERIFY: same gap in the source pages for zone 7-8]. This band still has garlic cloves going in through early November per planting garlic this fall, so there is real outdoor work a kid can watch or help with while using a Plant Heroes field guide on the side.
  • Zone 9-10: [VERIFY: same gap in the source pages for zone 9-10]. See your fall garden to-do list, by zone for what this band is still planting in early fall, which overlaps with plenty of November garden time for a family to pair with Plant Heroes materials.
  • Zone 11+: [VERIFY: Plant Heroes' own pages give no zone-specific guidance, and neither cross-linked post covers this band's November specifics; treat as an open question for a future brief].

Sources

helpzone 3-4zone 5-6zone 7-8zone 9-10zone 11+
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Garden Hero

We have killed more plants than you have grown. Rooted is what we learned, sourced to the extension office and written by your zone.

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