Mary Lou Dahlia
Description
Mary Lou lights up the garden with cheerful, warm-toned blooms that read as a soft, sunny blend of golden yellow with peachy undertones. Its full, neatly layered petals create a classic, rounded flower that looks equally at home in borders and in the vase, delivering a steady supply of bright, friendly color through the peak of the season.
Specifications
| Form | SC |
|---|---|
| Color | Y |
| Bloom size | 5.5" |
| Plant height | 4.8 ft |
| Year introduced | 1952 |
How to grow Mary Lou
Mary Lou is a SC with 4.8 ft tall with 5.5-inch blooms. Plant tubers 12–18 inches apart in full sun after the last frost. Pinch when plants reach 12 inches tall to encourage bushier growth and more blooms.
Harvest & vase life
SC-form dahlias like Mary Lou harvest dahlias when blooms are three-quarters to fully open. With clean cuts and fresh water, most varieties last 4–7 days in the vase.
Similar dahlia varieties
- AC Ben — SC, LB
- Black Jack — SC, DR
- Cheers — SC, R
- Clearview Jonas — SC, LB
- Drama Queen — SC, PR
- Fire Magic — SC, FL
Frequently asked questions
How tall does Mary Lou grow?
Mary Lou grows to about 4.8 ft.
What color is Mary Lou?
Y — ADS color classification for Mary Lou.
Is Mary Lou good for cut flowers?
Yes. Dahlias are among the most popular cut flowers for home and market growers. Expect 4–7-day vase life with proper hydration.