Classification
1107
Large (8-10") Informal Decorative, Dark Red
Size
Large (8-10")
Form
Informal Decorative
Color
Dark Red
Growing Info
- Height: 3–5 ft
- Bloom season: Midsummer to first frost
- Hardiness zones: 8-11
- Staking needed: Yes
- Pinching: Pinch the center shoot at 12" tall for bushier growth and more blooms.
Growing John Stemple?
Where to Find John Stemple Tubers
Tuber availability changes each season. Search current listings:
Search for John Stemple Tubers →💡 Tip: Most suppliers open orders in December–February for spring shipping. Popular varieties sell out fast!
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