deadhead flowers before seed develops to extend the plant's life.
deadhead flowers if necessary to prolong the flowering period.
deadhead flowers to prolong flowering and regulate self-seeding.
Cut back after flowering to encourage new growth and maintain shape.
Trim after flowering to promote new growth.
Cut back to promote growth in spring.
Trim to keep the plant tidy.
deadhead flowers to prevent excessive self-seeding.
If not saving for seeds, deadhead flowers to get better leaf production.
deadhead flowers to regulate self-seeding.
Remove flowers to enhance the bulb's flavour.
Cut back before bringing indoors for winter.
Prune in spring, and cut back after flowering.
Cut back during the dormant period.
Cut back after flowering.
Trim to keep spores from spreading in summer and autumn. Cut back to ground after harvest.
deadhead flowers to prolong flowering.
Cut stems in late autumn to almost ground level.
Prune to maintain leader and shape.
cut back and trim hedges in autumn.
Cut back after flowering to promote new growth of leaves.
trim unhealthy branches to stimulate growth.
deadhead flowers to promote root growth.
Trim to encourage new growth.
deadhead flowers to prolong flowering.
Cut back after flowering period in summer.
Cut back in spring and autumn.
Trim growth to maintain shape.
Trim after flowering period, and cut back before winter.
deadhead flowers to prevent self-seeding and prolong flowering time.
Prune lightly in early winter.
Cut back after flowering.
trim regularly to stimuate new growth.
deadhead flowers in summer and autumn.
deadhead flowers to prevent self-seed and promote a second flowering period.
deadhead flowers to boost leaf growth and regulate self-seeding.
Cut back hard in spring after the last frost.
deadhead flowers to prevent self-seeding.
Trim and pick continuously to maintain shape and prevent flowering.
Cut back after flowering.
Trim after flowering period, and cut back before winter.
deadhead flowers to prolong the flowering period.
Trim lightly after flowering.
remove flowers to promote root growth.
cut back in early spring.
Cut back to 6-inch height in autumn.
deadhead flowers to encourage second blooming
