A functional table. The table is provided by PHS and cannot be altered; it must be fully covered. 

Sustainability Challenge: Floral foam is not permitted in this class. 

Judges’ Clipper Challenge Class. Flowers and all other materials are provided at the Show; bring your own clippers. The class is open to judges only. Note: Only one exhibitor per entry.

The design must include reflective elements but no mirrors. 

A design interpreting a poster provided by PHS. 

A design using dried plant material only, in a table-top standing frame provided by PHS. 

Component Challenge Class. Components and rules will be provided by PHS in January. Note: Only one exhibitor per entry; no co-exhibitors are permitted in this class. 

Novice Class. Open only to exhibitors who have not won a blue ribbon in the Miniature Arrangement classes of the PHS Philadelphia Flower Show prior to 2025. 

Use of PHS pedestals is optional. 

Sustainability Challenge: Floral foam is not permitted in this class.  

A design using dried plant material only. 

Sustainability Challenge: Floral foam is not permitted in this class. 

An underwater design. 

A garment made primarily of plant material, displayed on a dress form provided by PHS. Fresh plant material should predominate. Dried plant material is allowed. Some fabric or other mechanics may show if they are an integral part of the design. Accessories such as a necklace or belt are permitted, but not required, in this class if made entirely of plant material. 

Sustainability Challenge: Floral foam is not permitted in this class. 

A hat inspired by a book. Name the book. No duplicates are permitted. 

Sustainability Challenge: Floral foam is not permitted in this class.  

Expert Pedestal Class. Open only to exhibitors who have been awarded a blue ribbon in a previous PHS Philadelphia Flower Show Botanical Arts or Jewelry class. 

A monochromatic hat design in purple. A 25-word (maximum) statement of intent is required and will be displayed with the entry. Entries will be displayed in a quarter-circle (wedge) segment with a radius of 34½". The: segment is 30" from the floor; the height of the two dividing walls is 40" from the top of the segment. A diagram will be sent to exhibitors. Limited to 4 entries. 

Design a collection of 3 bangle bracelets. Displayed against a neutral-angled backdrop. Staging area is limited to 8″ wide x 10″ high. Limited to 6 entries. 

Create a flip-flop design for a sunny summer day. A single base sole will be provided for you to design and build the remainder of the shoe. The design must be completely covered in plant material. Displayed against a neutral-angled backdrop. The form will be sent to exhibitors after acceptance has been confirmed. Limited to 6 entries. 

Design a necklace inspired by a specific culture, to be named. Duplicate cultures are not permitted. Exhibitors must submit 3 choices at registration, and culture will be assigned soon after the class has been filled. Necklace not to exceed 8″ wide x 10″ high. Displayed against a neutral-angled backdrop. Limited to 6 entries. 

Create constellation-inspired earrings that sparkle like the stars in the sky. Constellation to be named. A neutral display stand will be provided at installation (6.5″ high, crossbar 2.5″ wide, 2″ between post holes). Limited to 6 entries. 

Create a fanciful box filled with delectable candies. Box not to exceed 6″ square or diameter. Displayed on a raised, slightly angled platform that will be placed on the bottom of the case. Limited to 6 entries. 

Youth/Novice Class. Create a lipstick case inspired by a designer of your choice. Staged on a 4″x 4″ cube wrapped in a neutral fabric. Designer must be named.  

Open only to high-school students or exhibitors who have not won a blue ribbon in the Botanical Arts or Jewelry classes of the PHS Philadelphia Flower Show prior to 2025. Student entries will have priority. Limited to 6 entries. 

A photo of a pollinator in the insect family. Color. Limited to 8 finalists.   

A diptych featuring two phases of the life cycle of a flower or plant. Image must have a border. Color. Limited to 8 finalists.   

A photo of a tree or group of trees. Color. Limited to 8 finalists.   

A macro image of a flower where the entire frame is filled with flower details and no background is visible. Color. Limited to 8 finalists.   

A portrait of a bird or birds. Color. Limited to 8 finalists.   

A portrait of a flower using creative techniques. Creative Techniques: The use of manipulation or alteration in any stage of the photographic process to achieve an effect that the original subject is no longer discernible or reflective of reality. Compositing techniques are allowed. Color. Limited to 8 finalists.   

A photo of a reflection in water. Color. Limited to 8 finalists.   

A still-life image that includes flowers and an aged object. Still Life: A photograph of an intentionally composed arrangement of inanimate objects. Color. Limited to 8 finalists.   

Trees are foundational to supporting all life. Trees breathe for the earth and should be a focal part of the design. A framed piece. Limited to 15 entries. See age restrictions above. 

The actions we take today to commit to gardening will lead to a fruitful tomorrow. Create a pressed plant artwork centered around fruit. Imagery must be fruit-inspired, such as a fruit still life or a creative fruit image. A framed piece. Limited to 15 entries. See age restrictions above.

3-Dimensional Class. Decorate a world globe with pressed plant material. Fill each continent with blooms. Globe must not exceed 12″ in diameter (37.7″ circumference), must be 100% covered with pressed plant material, and must be able to stand upright on a pedestal or stand. Any pedestal or stand supporting your globe must also be covered with pressed plant material. The height of the globe and pedestal must not exceed 20″. Limited to 8 entries. See age restrictions above.  

Mixed Media Class. Seeds are magical. Show the entrancing evolution of seeds in different stages of growth to a finally developed magnificent bloom. Illustrate this experience and how it feeds the soul of the gardener and looks to the promise of our future. Create a mixed media two-dimensional (2D) artwork that includes at least 50% flat, pressed plant materials. Mediums such as watercolor, pen and ink, acrylic, decorative papers, colored pencil, etc. can be integrated with the pressed plant materials. A framed piece. Limited to 15 entries. See age restrictions above. 

Novice Class. Beyond the gate is your beautiful garden. Design a pressed plant scene with an enticing entrance. Open only to exhibitors who have not won a blue ribbon in the Pressed Plant classes at the PHS Philadelphia Flower Show prior to 2025. A framed piece. Limited to 15 entries. See age restrictions above. 

Youth Class. Investing in horticultural education to our youth promises a cultivating future! Youth in grades 3 to 12 create their self-portraits out of pressed plant material. A framed piece that is any size under an 8″x10″ frame, with the exterior molding not exceeding 9½″ x 11½″. All Youth entries will be juried.