Pachyphytum bracteosum 'Silver Jelly Bean' is an Echeveria relative with thick, oval, silver-blue leaves and yellow flowers.

Pachyphytum compactum has thick, rounded, pointed, grey-green leaves with white crystal-like markings.

Pachyphytum oviferum is a gorgeous succulent with palest silver blue, rounded, balloon-like leaves that can flush pink.

Pachyphytum rzedowskii has cylindrical, succulent leaves with pointed tips in shades of bluish white flushing purplish.

Pachyphytum bracteosum is an Echeveria relative with thick, rounded, silver-blue leaves.

Pachyphytum 'Blue Haze' has broad, flattened, rounded, succulent leaves that can be silver blue or flush with pink.

Pachyphytum 'Pink Bunny' has broad, flattened, succulent leaves that can be palest silver blue or flush with pink with a little stress.

Pachyphytum 'Solomon' is an Echeveria relative with thick, cylindrical, powder blue, succulent leaves with pointed tips.

A great alternative to the standard Pachysandra terminalis , P. procumbens also has fragrant flowers and more attractive foliage.

Pachysandra terminalis 'Green Sheen' forms whorls of glossy, leathery foliage topped with white flowers in spring.

Pachyveria (Echeveria) 'Ice Cream' has creamy pastel green leaves with pinkish tips.

Pachyveria 'Dr Cornelius' has thick, flattened, cylindrical, silver blue, succulent leaves with pointed tips.

Packera is a daisy relative that forms a great groundcover for sun or shade with cheerful yellow flowers.

Pandanus amaryllifolus, known as pandan or screw pine, is an evergreen tropical with fragrant leaves used in culinary dishes.

Passiflora 'Clear Sky' has greater vigour and larger flowers with greater substance.

Passiflora 'Betty Myles Young' offers exquisitely detailed, large, lightly scented passionflowers.

Passiflora 'Damsel's Delight' has large, spectacular blooms with white tepals tinged with lavender-pink and dark purple and black corona filaments.

Passiflora 'Justine Lyons' has lavender-purple, reflexed tepals with thin deeper purple corona filaments and light fragrance.

Passiflora 'Party Animal' is an improved P. caerulea with white tepals and black, white and purple corona filaments.

Passiflora 'Silly Cow'/'Damsel's Delight' has dark purple filaments against pale lilac petals. Gorgeous.

Passiflora 'Snow Queen' has large, strongly fragrant, pure white flowers with long corona filaments.

Passiflora 'Star of Surbiton' has pure white petals that form the backdrop for bright purple-blue filaments.

Pelargonium crispum 'Lemona' is a tender, lemon-scented geranium with pink and magenta flowers that are both ornamental and edible.

Pelargonium 'Orange Fizz' is a tender,citrus-scented geranium with single flowers that are pink and purple and scented with evergreen foliage.

Pelargonium 'Sweet Mimosa' is a tender, spicy-scented geranium with single flowers that are pink and red with scented evergreen foliage.