Perennials are plants that have a period of dormancy and then return for several years. The obvious advantage is that they don’t have to be replanted each year. If you’re new to gardening, check out the Plant Picture Pages from the Texas A&M Department of Horticultural Sciences for information about selecting and growing outstanding perennials for Texas. And see below for our Master Gardener Favorites and Texas Superstars.
Maintenance
While perennials have many advantages, they do have to be divided, pruned, cut back and fertilized. They are not carefree plants. They are easily pruned (they don’t grow to be 80′ tall!). But if you don’t know where to start, here is a guide to pruning just about everything.
When and how to prune perennial flowering plants
Propagation
Perennials are fun to propagate because one of the joys of gardening is sharing your favorite plants with others. Propagation is an entire subject, of course, and knowing how to propagate a particular plant can be a puzzle. Some are propagated by seed, some by division, some by cuttings. There is no rule of thumb, but if you can’t find out how to propagate the plant you love the most, try everything. Of course, there is a lot more science than that (isn’t there always a catch?), but there’s not much to lose by sticking a cutting in the ground to see if it roots. Just be sure you have one or more nodes underground, or it definitely will not root. Putting a little rooting hormone on the end of the cutting is also a good idea. Here is a quick guide to propagating some of our local favorites.
Many perennials need to be divided every three years or so because they become so thick that they fail to bloom any more. Iris is a good example. Division is actually sort of fun because most plants are fairly forgiving. You can dig in with a hatchet and have them divided in no time. This page from Clemson University Extension has expert advice about dividing perennials.
Perennials for Shade
To see information about perennials for shady spots, visit this Shade Plants page.
What do Master Gardeners grow?
These plants are our favorites. Some of them are also Texas Superstar® plants. Texas Superstars are plants that have been extensively researched to ensure they will thrive in the harsh Texas climate. Plant these favorites with reasonable assurance that they will grow in your garden.
- Artemisia ‘Powis Castle‘
- Autumn Sage
- Bee Balm
- Bird of Paradise
- Black-eyed Susan
- Columbine, Texas Gold
- Copper Canyon Daisy
- Coral Bells
- Daylily ‘Stella d’Oro’
- Fall Aster
- Four-Nerve Daisy
- Frostweed
- Gregg’s Mist Flower
- Hardy Hibiscus ‘Flare’
- Hardy Hibiscus ‘Lord Baltimore’
- Hardy Hibiscus ‘Texas Star’
- Hardy Hibiscus ‘Moy Grande’
- Hibiscus, Marshmallow
- Japanese Painted Fern
- Jerusalem Sage
- Lamb’s Ear
- Lantana ‘New Gold’
- Lantana, Texas
- Lantana, Trailing
- Lenten Rose
- Mexican Bush Sage
- Mexican Feather Grass
- Mexican Mint Marigold
- Mexican Petunia, Dwarf
- Phlox ‘John Fanick’
- Phlox, Victoria
- Pink Muhly Grass
- Plumbago
- Possumhaw Deciduous Holly
- Purple Coneflower
- Purple Fountain Grass
- Rain Lily
- Planting and caring for roses
- Salvia ‘Henry Duelberg’
- Salvia ‘Mystic Spires Blue’
- Rock Rose
- Skullcap
- Verbena ‘Blue Princess’
- Soft Leaf Yuccas vs Red Yuccas