Dates & times
All times are local to the venue · America/Denver
- 10:00 AM – 2:00 PM
Saturday, November 21, 2026, 10 a.m.–2 p.m. Local time. Drop-in tours with an expert mathematician are listed at 11 a.m. and 1 p.m.
Math in Bloom Presents Fibonacci Day at Denver Botanic Gardens
A plant display can be a starting point for a math conversation at Denver Botanic Gardens’ Fibonacci Day. The York Street program pairs displays of mathematical patterns with chances to meet a mathematician, join family activities and explore ideas through tours and science chats on Saturday, Nov. 21, 2026, from 10 a.m. to 2 p.m.
Look for patterns, then ask how they work
The event’s highlighted plant displays celebrate mathematical patterns in nature. Visitors can meet a mathematician to discuss the math behind those patterns, or try family activities inspired by the Fibonacci sequence. The listing also includes science chats, giving the day both visual and conversational ways into its subject.
The program is described as drop-in, with activities and conversations taking place throughout the Gardens. Their locations may change, so the published listing does not promise a fixed route between offerings.
Further reading: Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
A storytime and performances widen the program
The Helen Fowler Library is scheduled to host nature- and math-inspired storytime, a distinct option for families alongside the Fibonacci-themed activities. Performances by local creatives are also listed, but the event information does not name the performers or assign the performances a time.
Drop-in tours with an expert mathematician are the program’s two specific time anchors: 11 a.m. and 1 p.m. No tour duration is given, so visitors planning around one should leave flexibility before choosing what to do next.
Further reading: Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
A national project brings mathematics into botanical settings
Fibonacci Day is part of Math in Bloom, an Infinite Sums initiative supported by the Simons Foundation and developed with botanic gardens around the country. The broader initiative is led by San Antonio Botanical Garden and invites participating gardens to build interactive experiences around mathematics in nature.
Infinite Sums describes Fibonacci sequences as growth patterns found in plant biology and associated with optimizing light, space and reproduction. Its wider examples also include fractals in succulents and vegetables such as broccoli. That context explains why a garden is the setting for a math program: plant forms offer a way to notice mathematical ideas, not just hear them described.
Further reading: Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗ · Botanic Gardens - Infinite Sums ↗
Drop-in activities, with two timed tours
The Gardens lists activities and conversations across the four-hour event window and notes that activity locations may change. The tours are the scheduled exceptions; the other offerings do not have individual start times in the published program.
Saturday, November 21, 2026 · Throughout the Gardens
- Drop-in activities, creative experiences and conversations with experts and enthusiasts; activity locations may change.
- Drop-in tour with an expert mathematician.
- Drop-in tour with an expert mathematician.
- Meet a mathematician; highlighted plant displays on mathematical patterns; math- and nature-inspired story time in the Helen Fowler Library; Fibonacci-sequence family activities; science chats; and performances by local creatives.
Plan your visit
Saturday, Nov. 21, 2026
The drop-in program runs from 10 a.m. to 2 p.m.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
York Street
Denver Botanic Gardens, 1007 York Street, Denver, CO 80206.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
General admission required
Event activities are included with general admission. The event listing does not state the general-admission price.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
Check ticket details before going
The event listing links to ticketing but does not specify whether advance booking or timed entry is required.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
All ages; adult accompaniment for children under 16
The event is described as suitable for visitors of all ages. York Street guidelines require children under 16 to be accompanied by an adult.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗ · York Street Visitor Guidelines | Denver Botanic Gardens ↗
Getting to York Street
Entrances and address
The event listing gives 1007 York Street, Denver, CO 80206, as the location. The Gardens identifies the Bonfils-Stanton Visitor Center at 1007 York Street and the Freyer–Newman Center at 1085 York Street as entrances to the main gardens; the event listing does not specify which entrance to use.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗ · Parking, Transportation & Accessibility - York Street | Denver Botanic Gardens ↗
Transit, parking and bikes
The Gardens lists RTD route 24 at York and Josephine streets and route 10 on 12th Avenue. Bike racks are at the York Street main entrance.
Limited free parking is available in the complex between York and Josephine streets during regular operating hours; the Gardens does not confirm event-day availability. Street parking is available in Cheesman Park or Congress Park where posted. Vans should use the top deck because of height limits, and RVs are not permitted in the complex.
The public garage has free EV charging in two-hour increments on its main parking level, north of the elevator bank.
Parking, Transportation & Accessibility - York Street | Denver Botanic Gardens ↗
Accessibility
York Street information lists paved pathways, accessible facilities, designated drop-off areas and accessible parking. Accessible parking is first-come, first-served; most indoor and outdoor gardens and facilities are wheelchair-accessible, though some areas may require assistance.
Manual wheelchairs are available at no charge on a first-come, first-served basis, with no reservations; motorized wheelchairs and scooters are not offered. For help clarifying accessible routes or arranging accommodations, contact the Gardens at 720-865-3500. Advance notice is welcomed. These are venue-wide services, not event-specific arrangements.
Parking, Transportation & Accessibility - York Street | Denver Botanic Gardens ↗ · Accessibility | Denver Botanic Gardens ↗
Before you make a plan
What activities are planned?
The listing includes mathematical-pattern plant displays, a mathematician to meet, Fibonacci-inspired family activities, science chats, storytime at the Helen Fowler Library, creative performances and two expert-led drop-in tours.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
When are the tours?
Drop-in tours with an expert mathematician are listed for 11 a.m. and 1 p.m. Their duration is not stated.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
Is the event free?
No. The event activities are included with general admission, but the listing does not give the general-admission price.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗
Are children welcome?
Yes. The event is described as suitable for all ages. York Street guidelines require children under 16 to be accompanied by an adult.
Math in Bloom Presents Fibonacci Day | Denver Botanic Gardens ↗ · York Street Visitor Guidelines | Denver Botanic Gardens ↗
Which transit routes serve the Gardens?
The Gardens lists RTD route 24 at York and Josephine streets and route 10 on 12th Avenue.
Parking, Transportation & Accessibility - York Street | Denver Botanic Gardens ↗
Are wheelchairs available?
Manual wheelchairs are available at no charge on a first-come, first-served basis, without reservations. The Gardens does not offer motorized wheelchairs or scooters.
Location & Google Maps
Denver Botanic Gardens, York Street Location
1007 York Street, Denver, CO 80206
Map search by venue and address. Check the organiser’s entrance details before travelling.