Growing Info
- Height: 2.5–3.5 ft
- Bloom season: Midsummer to first frost
- Hardiness zones: 8-11
- Staking needed: Not typically
- Pinching: Pinch the center shoot at 12" tall to encourage branching.
Growing Robert?
Where to Find Robert Tubers
Tuber availability changes each season. Search current listings:
Search for Robert Tubers →💡 Tip: Most suppliers open orders in December–February for spring shipping. Popular varieties sell out fast!
📷 Share Your Photo of Robert
Growing Robert? Share a photo of your blooms with the community!