As the worlds first F1 hybrid phlox, 21st Century offers outstanding showiness, germination and vigour. Easy-to-grow plants are tolerant of cool spring temperatures and flowers right up to the first frost and yet will withstand hot and humid conditions in summer. Well branched and mounded plants provide an abundance of continous blooms through the season. Hardy to 32°F in full sun and grows 10 inches tall and wide. Pkt. 20
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Sow seed on the surface of good, free-draining, potting mix. Do not cover the seed. Place in a propagator or seal container inside a polythene bag and place at 64-68F until after germination which takes 10-21 days. Do not exclude light, as this helps germination
SHS-01237
18 Items
As the worlds first F1 hybrid phlox, 21st Century offers outstanding showiness, germination and vigour. Easy-to-grow plants are tolerant of cool spring temperatures and flowers right up to the first frost and yet will withstand hot and humid conditions in summer. Well branched and mounded plants provide an abundance of continous blooms through the season. Hardy to 32°F in full sun and grows 10 inches tall and wide. Pkt. 20