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Flannel Bush Overview
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Flannel Bush

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Some of the brightest yellow flowers you’ve ever seen!

Flannel Bush. The name conjures up cozy shirts and crackling fires, sweet hot cocoa and melty s’mores. But the reality is that this vining shrub isn’t like that at all. It is a super-drought-tolerant California native that sports some of the brightest yellow flowers you’ve ever seen every spring!

This fast grower (and we do mean fast – up to 6-8 feet in just three months in Southern California) will quickly become a massive focal point in your garden. It is perfect in xeric or Waterwise garden settings, too, as it requires no supplemental water at all after you initially water it when you plant it. As a matter of fact, lawn sprinklers will quickly kill it, so situate this heat lover where it can be properly neglected.

We’ve heard rumors that you can espalier Flannel Bush (Fremontodendron californicum) to run along a garden wall, but we’d advise you just let it do its thing. There’s a good reason. Flannel bush comes armored.

The beautiful, ivy-like blue/green leaves have small hairs that are highly irritating to humans. (Animals don’t seem bothered by them.) We strongly encourage you to wear goggles and gloves when you deal with a full-grown specimen.

So, this isn’t a ‘come-close-and-admire-me’ plant, but what it lacks in flannel-like coziness it makes up for with shocking native beauty and tolerance. This easy-grow plant is stunning on a slope and attracts hummingbirds and other wildlife to drink from the rain captured in its upturned flower cups.

Don’t let the armor scare you. Grab your gloves and order this stunner today!

* Beautiful evergreen in zone 8-10
* California native
* Tons of bright yellow flowers in spring
* Great security hedge

Buying Options for Plants

Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.

Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!

Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.

  • Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
  • Popular sizes of select bare root plants is 1 foot, 18 inches, etc.

Nature Hills Container Size by Volume

Young Plants to 18 Months
Size Volume
2"x2"x3" Ranges from .18 to .21 dry quarts / .198 to .23 dry liters in volume
4.5" Container Equal to .655 dry quart / .72 dry liter in volume
3.5" Container Equal to .67 dry quart / .74 dry liter in volume
4" Container Equal to .87 dry quart / .96 dry liter in volume
1 Quart Equal to 1 dry quart / 1.1 dry liter in volume
5.5" Container Equal to 1.89 of a dry quart / 2.08 dry liters in volume
4"x4"x5" Ranges from .8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume
4"x4"x6" Ranges from 1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume
4"x4"x9" Ranges from 1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume
4"x4"x10" Ranges from 1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume
Plants 18 Months - 2.5 Years Old
Size Volume
2 Quart Equal to 2 dry quarts / 2.2 dry liters in volume
#1 Container Ranges from 2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume
5"x5"x12" Equal to 3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume
Plants 2 - 4 Years Old
Size Volume
#2 Container Ranges from 1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume
#3 Container Ranges from 2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume
Plants 3 - 5 Years Old
Size Volume
#5 Container Ranges from 2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume
#7 Container Ranges from 5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

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Flannel Bush Is Suited to Grow in Zones 8-10
Growing Zones 8-10
More Information
Brand Nature Hills Nursery
Botanical Name Fremontodendron califoricum
Foliage Broadleaved Evergreen
Mature Height 10 - 18 feet
Mature Spread 7 - 10 feet
Soil Type Well Drained Rocky Slopes
Moisture Medium to Low Moisture
Sun Exposure Full Sun
Growth Rate Fast
Flower Color Yellow, Orange
Foliage Color Green, Gray
Fruiting Time Fall