Light Needs
Mature Height
Mature Spread
Growing Zones
The Rainbow Rhythm® Persian Ruby Daylily will be the jewel of any garden. A stunning Hemerocallis hybrid, Rainbow Rhythm® Persian Ruby produces huge flowers, up to 8 inches wide, of deep purple petals with a yellow throat. Growing to 30 inches tall, this perennial has a multitude of garden uses.
The Rainbow Rhythm® Persian Ruby Daylily is tough and easy to grow in almost any setting. It is rabbit resistant and bound to attract pollinators and hummingbirds. Drought tolerant once established, this daylily is hardy in zones 3 to 9. Rainbow Rhythm® Persian Ruby is ideal for injecting color into a border or for growing in a container or cutting garden.
Rainbow Rhythm® Persian Ruby Daylily Care
Full sun is required for the best blooms. However, it can also cope with partial shade. It happily grows in any soil type and pH as long as good drainage is present. Water regularly during the first year of growth. Once established, watering is only required during hot and dry spells. Fertilizing is not usually required; instead, mulch annually with organic matter in the spring.
Remove spent flowers and their stems as they develop. Divide crowded plants in spring every few years.
Rainbow Rhythm® Persian Ruby Daylily Spacing
The Rainbow Rhythm® Persian Ruby Daylily can reach a final size of 30 inches tall by 18 to 24 inches across. Space plants 18 to 24 inches apart to give them room to fill out.
Compare Rainbow Rhythm® Daylilies
Compare flower color, mature size, bloom habit, and the traits that distinguish each Rainbow Rhythm® Daylily.
| Variety | Flowers | Mature Size | Bloom Notes | Why Choose It |
|---|---|---|---|---|
| Golden yellow with burgundy-red eye and edge | 32" H × 18–24" W | Rebloomer | Wide burgundy picotee edge on 6" flowers | |
| Raspberry red with rosy eye and pale edge | 28" H × 18–24" W | Rebloomer | Large 6" red flowers with layered color | |
| Coral pink with cranberry-red eye | 26" H × 18–24" W | Excellent rebloom | Coral petals with cranberry eye and edged margins | |
| Lemon yellow | 19–22" H × 18–24" W | Long rebloom season | Compact yellow selection with repeated bloom | |
| Butter yellow, peach and apricot with burgundy eye | 38" H × 18–24" W | Rebloomer | Tallest Rainbow Rhythm® selection | |
| Apricot orange with orange-red eye and edge | 24" H × 18–24" W | Mid summer | Oversized 7" flowers with layered edging | |
| Dark purple with chartreuse throat | 26" H × 18–24" W | Mid summer | Darkest purple flower color | |
| Mango orange with soft rose band | 24" H × 18–24" W | Rebloomer | Soft mango-orange summer color | |
| Deep ruby-purple with yellow-green throat | 30" H × 18–24" W | Summer | Massive flowers approaching 8" across | |
| Tangerine orange | 34" H × 18–24" W | Mid summer | Twisted, ruffled spider-form petals | |
| Ruby red with golden-yellow throat | 34" H × 18–24" W | Early summer | Largest flowers at up to 9" across | |
| Peach-coral, fully double | 18" H × 18–24" W | Rebloomer | Shortest selection with fully double flowers | |
| Pastel pink with wine-purple eye and edge | 28" H × 18–24" W | Rebloomer | Soft pink petals with a broad purple eye | |
| Pale yellow with wine-purple eye and edge | 34" H × 18–24" W | Rebloomer | Tall yellow-and-purple bicolor | |
| Mauve with eggplant-purple eye and edge | 24" H × 18–24" W | Rebloomer | Distinct mauve-and-purple flower pattern | |
| Golden yellow with raspberry-red eye | 32" H × 18–24" W | Mid summer | Large triangular flowers with twisting sepals |
Rainbow Rhythm® Persian Ruby Daylily Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 3 to 9 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Part Sun to Full Sun (5+ Hours Direct Sun)
- Mature Height
- 2-3 Feet
- Mature Spread
- 1-2 Feet
- Growth Habit
- , Upright
- Water Needs
- Average
Flowers & Foliage
- Flower Colors
- , Purple
- Flower Description
- Purple Red
- Bloom Time
- Summer
- Foliage Color
- , Green
- Foliage Description
- Green
- Foliage Type
- , Evergreen, Herbaceous
- Seasonal Interest
- , Summer Flowering
Garden Benefits
Plant Overview
- Common Name
- Rainbow Rhythm® Persian Ruby Daylily
- Also Known As
- Rainbow Rhythm Persian Ruby Daylily
- Botanical Name
- Hemerocallis hybrid
- Brand
- Proven Winners
- Plant Type
- Perennial
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
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We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2026 all bushes, perennials & trees purchased come with an extended 1-year warranty for added confidence. If your plant dies due to a health issue within a year, we’ll make it right.
Plants that are currently in stock typically ship within 2-7 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
If you have any questions about shipping restrictions, feel free to reach out to our team!