Antirrhinum F-1 Admiral Tall is a tall and slender variety of Antirrhinum with deep blue flowers. It blooms in late spring and early summer, and is a great addition to any garden.
Sowing time:
Sow indoors from late winter to early spring, or outdoors from late spring to early summer.
How to sow
Indoors
Sow Antirrhinum F-1 Admiral Tall seeds on the surface of a well-drained seed compost and cover with a very fine sprinkling of vermiculite or fine grit. Place the tray in a propagator or seal in a polythene bag and maintain a temperature of 18-21°C (65-70°F) until after germination, which usually takes 14-21 days.
Outdoors
Prepare the ground well and rake to a fine tilth before sowing Antirrhinum F-1 Admiral Tall seeds in late spring or early summer. Sow the seeds on the surface of the soil and cover with a very fine sprinkling of vermiculite or fine grit. Water the ground gently and keep moist until after germination.
Germination:
Once germinated, grow Antirrhinum F-1 Admiral Tall seedlings on in cool, well-lit conditions. When large enough to handle, transplant the seedlings into 7.5-10cm (3-4in) pots and grow on
Season:
Antirrhinum F-1 Admiral Tall flowers in late spring and early summer.
Light:
Plant prefers full sun.
Watering:
Water Antirrhinum plants regularly, especially during dry periods.
Feeding:
Apply a balanced liquid fertiliser to Antirrhinum plants every two weeks during the flowering season.
Flowering:
Plant produces deep blue flowers in late spring and early summer.
Deadheading:
Deadhead flowers regularly to prolong the flowering season.
Pruning:
Plant may need to be cut back after flowering to maintain a tidy appearance.
Propagation:
Plant can be propagated from seed or by taking stem cuttings in late spring or early summer.