A tall, late-blooming perennial that’s fantastic for pollinators—especially in the fall when little else is blooming.
Overview
- Botanical name: Aster tataricus (also called Symphyotrichum tataricum)
- Type: Hardy perennial
- Height: 4–7 feet (can get BIG!)
- Bloom time: Late summer to fall
- Pollinators: Bees, butterflies, and beneficial insects
Where to Plant
- Sun: Full sun is best (6+ hours), but tolerates light shade
- Soil: Average to rich, well-drained soil
- pH: Slightly acidic to neutral
- Spacing: 2–3 feet apart (they spread over time)
In Tennessee, it thrives in our climate and handles humidity well.
From Transplants or Divisions
- Plant in spring or fall
- Dig a hole twice as wide as the root ball
- Add compost, then plant at same depth
- Water well
Watering
- Keep soil moist while establishing
- Once established, it’s moderately drought tolerant
- Water during dry spells, especially in summer
Care & Maintenance
Support (Important!)
- Tall plants may flop over
- Use:
- Stakes
- Flower support rings
- Plant near a fence or back of a border
Pruning Tip (KEY!)
- Cut back by 1/3 in early summer (June)
👉 This keeps plants bushier and shorter
Fertilizing
- Not heavy feeders
- Add compost in spring
Dividing
- Divide every 2–3 years in spring or fall
- Helps control size and improves flowering
Pests & Problems
- Generally very hardy
- Occasionally:
- Powdery mildew (improve airflow)
- Aphids (rarely serious)
Why Grow Tatarian Aster?
- Blooms when most flowers are DONE
- Excellent pollinator plant
- Great for cut flowers
- Adds height and structure to gardens
Tennessee Growing Tip
Plant it in the back of a flower bed or along a fence—it can easily tower over shorter plants and become a fall focal point.