Armstrong: Cultivating Experts

Cultivating Experts with Monrovia

Welcome to the Armstrong Monrovia resources page. We want you to feel confident and knowledgeable about selling our plants at your garden center.

We have been pioneers and craftsmen in the art of growing plants for 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.

Quality starts by selecting the very best varieties of plants to grow, working with breeders from around the world to test and trial plants before we deem them suitable for your garden center. From our custom soil mixes developed to ensure healthy roots to the care we take in pruning and shaping our plants as they grow, Monrovia is also focused on giving every plant what it needs to thrive. Below you’ll find helpful information to use in serving your customer.

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Videos

Want to explain our unique approach to soil to a customer? Have a question about some of our newest selections? These videos can help

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Key Plants

Information about the top 10 varieties at your stores:

Centennial Ruby™ Hydrangea

A special release to celebrate Monrovia's 100th anniversary, the flowers of this hydrangea are simply stunning. The rich ruby-red mophead blooms deepen in color as the long-lasting flowers age, sometimes taking on almost black hues. Exceptionally sturdy and compact, with strong stems and thick green leaves.

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Hi™ Fire Hydrangea

Incredible, deeply saturated blooms are red in alkaline soil and purple with a bright blue eye in acidic soil. Exceptionally strong stems make for a sturdy plant. Perfect for creating a classic cottage look. The larger size will quickly fill in empty spaces.

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Little Rock Star Buddleja

An extremely dwarf variety, with an abundance of plump violet-red flower clusters that are adored by pollinators. The petite size is perfect for small containers, mixed planters, or perennial borders. An easy-care plant with low water needs.

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FiredUp™ Coral Mandevilla

An upright grower with bright coral-pink pinwheel-shaped blooms and narrow leaves. The reaching stems are perfect growing up a trellis in a container, adding bright summer color to decks or patios. Left unstaked, it forms a full, bushy plant. Evergreen where hardy; fabulous annual color elsewhere.

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Eau De Parfum™ Bliss Rose

Big, delightfully fragrant blooms provide the classic romance of roses with the added benefit of disease resistance brought to you by modern breeding. Blooms have the hues of a blissful sunset, with a warm orange center transitioning to pink towards the outside. The lush foliage makes these excellent shrubs in the garden. Blooming repeatedly from early spring until first frost, you'll be provided with plenty of roses for bouquets.

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Pink Pearl Agastache

Peachy-orange flowers smother this compact perennial for months non-stop, from June through October. Unique among Agastache for its shorter, compact growth habit and dense blooms that cover the entire plant. Agastache is the ultimate pollinator perennial, adored by bees, butterflies, and hummingbirds. Foliage has improved resistance to downy mildew.

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Bountiful™ Baby Blueberry

An extremely compact variety with an impressive crop of small berries packed with flavor. The glossy green leaves develop a wonderful deep red fall color that persists through winter. The small size is perfect for containers; a great addition to a patio kitchen garden. Evergreen in mild climates. Recommended chill: 800 hrs.

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SunMagic Petite Burgundy Coneflower

A miniature coneflower of exceptionally small stature. The smaller blooms are packed so tightly and in such abundance that they look like a bouquet! Magenta-red petals surround a burgundy center. Excellent on its own in a small container on a tabletop, in larger mixed containers, or at the very front of a perennial bed. Herbaceous perennial.

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Fiesta™ Limonada Rosa Lantana

Clusters of vivid magenta and butter-yellow sterile flowers are a festive addition to gardens in warmer areas, or use as an annual where not hardy. Sterile flowers allow more prolific flowering and a well-behaved plant. The compact size and slightly trailing habit are perfect for hanging baskets and containers. Evergreen where hardy.

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Blueberry Lemonade Itoh Peony

Big, double blooms with soft peachy-yellow petals feature showy flashes of magenta. Flowers are held closer to the foliage, creating a compact, rounded form that requires no staking. Mildew-resistant foliage stays attractive all season long. Perennial.

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Inspiration

Design with Camellias

Camellia Care Guide

Crape Myrtle Care Guide

How to Deadhead Flowers

Care Sheets

Camellias