Blooms Cover Massive Plant

Yellow Quill Mammoth Mum

Blooms Cover Massive Plant

Grow 3 ft. tall and 4 ft. across
Extra hardy and vigorous perennials
No pinching or deadheading needed
Bloom in the fall

Late-season color doesn't get much easier than this. Our Mammoth Mums are truly perennial mums. Just plant in the spring and allow them to grow—and they'll come back bigger and more beautiful every year. Within three years, you'll have a mounded plant that's 3 ft. tall and 4 ft. across and will be covered in blooms in the fall. No pinching, pruning or deadheading is needed. Bred by the University of Minnesota, Mammoth Mums can withstand sub-zero winter temperatures. Grow Yellow Quill Mammoth Mum as a specimen or in a row as a low hedge. It can also be planted with other colors of Mammoth Mums. It's a deer-resistant perennial that attracts butterflies. Prefers full sun to partial shade. Zones 3-9.

Estimated Shipping Date:

Plants will be shipped at the proper planting time for your area of the country using the shipping timeframes outlined below. We continually monitor weather conditions for extreme hot or cold and adjust shipping schedules as needed. Due to hot weather conditions, we are unable to ship most plant items in July and August. Items that are overweight will require an additional shipping charge depending on weight.

Spring 2025 Shipping Schedule
ZONE	All Other Perennials & Potted Plants
3A-4A	4/28/25 - 5/30/25
4B	4/28/25 - 5/30/25
5A	4/28/25 - 5/30/25
5B	4/7/25 - 5/30/25
6A	3/24/25 - 5/30/25
6B	3/10/25 - 5/30/25
7A	2/24/25 - 5/30/25
7B	2/17/25 - 5/9/25
8A	2/17/25 - 5/9/25
8B	2/10/25 - 5/9/25
9A	2/10/25 - 5/9/25
9B	2/3/25 - 5/9/25
10A & B	2/3/25 - 5/9/25
Last Order Date	Zones 3A-7A: May 26, 2025 Zones 7B-10B: May 5, 2025

Additional Shipping Notes:

The type of product you order or the weather in our area to yours may affect the anticipated shipping schedule, shifting earlier or later, depending.

Trees and shrubs are kept in the nursery row until full dormant for optimum stress protection.

In all cases, we choose the fastest, most efficient way to send your orders via the U.S. Postal Service or FedEx. Large orders or large items may be shipped to you in multiple packages.

Sorry, we cannot ship products to Hawaii, Alaska, APO/FPO or outside the contiguous United States. Please provide a street address as some products are unable to be delivered to Post Office boxes.

I'm gardening elsewhere.

Product Details Reviews Question & Answers Planting Success Recently Viewed

Product Details

Botanical Name: Chrysanthemum morifolium 'Yellow Quill'
Height: 30 - 36
Spacing:4 - 5 ft
Spread:up to 5 ft after the 3rd year
Light Required:Full Sun, Partial Shade
Color: Yellow
Size: Dormant 3 " Pot
Blooms: Late Summer, Fall
Zone: 3-9

Form: Perennial
Flower Form: Daisy type, 3 - 4" across
Growth Rate: Fast
Pruning: Minimal care: no pinching, pruning or deadheading.
Foliage: Aromatic, alternate deeply lobed, dark green leaves, gray underneath.