Polverton Supereme
Pickup currently unavailable at Fox Cottage Farm
Polventon Supreme is a radiant ball-form dahlia celebrated for its perfectly rounded blooms and luminous, sunshine-yellow color. Each flower forms a flawless honeycomb sphere, bringing structure, brightness, and consistency to both garden beds and floral designs. Known for its strong growth habit and reliable performance, this variety is a favorite among growers and frequently earns attention on the show bench for its symmetry and vibrant presence.
With sturdy stems and excellent productivity, Polventon Supreme is a standout for cutting gardens, adding a cheerful golden glow to late-summer bouquets. Its classic ball form blends beautifully with romantic pastels or bold autumn palettes, making it a versatile staple in the field.
Form: Ball
Height: 4ft
Bloom Size: 4-5”
Shipping Information
Shipping begins in April, once weather conditions are safe and there is no risk of tubers freezing in transit. Because we’re growing and shipping from New Hampshire, timing is guided by the season — ensuring your tubers arrive ready to grow, not rushed out too soon.
1- 5 Tubers - $12.95
6-15 Tubers $17.95
16-30 Tubers - $20.95
31+ Tubers $25.95
LOCAL PICKUP
Local pickup is available one day only: Saturday, May 2nd, from 9:00 AM–2:00 PM.
Please choose local pickup only if you can commit to this date. Orders not picked up on May 2nd will be cancelled and refunded minus a 20% restocking fee. Orders will not be shipped. You will receive an email with the address in Portsmouth, NH the week before pickup.
Dahlia Sale Terms + Conditions
Please head to our Dahlia Sale Terms + Conditions page!
Our Field Journal | Growing Guides
How to Store Dahlia Tubers Before Planting
Need to store your dahlia tubers before planting? Here’s how to keep them safe until the garden is ready, including the best temperatures, storage materials, and what to avoid.
Why Dahlia Tubers Don’t Always Look Perfect (And Why That’s Normal)
Dahlia tubers rarely look perfect when they arrive. Learn why wrinkles, odd shapes, and scars are completely normal — and what really matters when identifying a healthy tuber.
Dahlia Tuber Anatomy: Understanding the Parts of a Dahlia Tuber
Not sure what the eye, neck, or crown of a dahlia tuber is? This guide explains the anatomy of a dahlia tuber and what each part does to help the plant grow.