20th Ave Old Major - Dahlia Tuber

The 20th Ave Old Major dahlia is like the rockstar of the garden world—bold, dramatic, and impossible to ignore! With its deep, velvety burgundy petals, it steals the spotlight wherever it blooms, adding a touch of elegance and mystery. Whether you're planting it in a bed or using it for floral arrangements, this dahlia is all about making a statement!

Plant Facts:

Flower type: Ball

Bloom Size: 3.5"+

Days to maturity: 80-100 days 

Location: Full Sun 

Spacing: 12-18"  

Height: up to 4.5” tall

This listing is for 1 tuber of a 20th Ave Old Major Dahlia

All Fall 2025 through Spring 2026 Dahlia Tuber Orders are stored safely over winter by Petals in Bloom Farm and then shipped to you in April/May 2026 AFTER RISK OF FREEZING IN TRANSPORT HAS PASSED.

Sorry, we ship only within the United States. If you want to pickup on the farm, select local pickup at checkout. Local pickup is generally for first week in May.

New to growing dahlias? Check out our blog post all about growing these beautiful cut flowers!