Sunday, December 29, 2019
Workhorse of the San Diego Garden - Furcraea foetida 'Mediopicta'
Sunday, December 15, 2019
'Tis the Season...
'Tis the season for huge dinner plate Aeoniums! I know they are called, "dinner plate" Aeoniums so I expected a large rosette would be about 8-10 inches across. I measured this one and it is over 20 inches! Wow!
This is Aeonium urbicum or a hybrid of Aeonium urbicum in the Family of Crassulaceae. The species is one of 36 endemic Aeoniums to the Canary Islands. Aeonium urbicum is from the Islands of Tenerife and La Gomera. There are a total of 42 species of Aeonium all from around this region. Aeonium urbicum is found on the Eastern side of the islands in barren landscapes and on old lava flows. There are several subspecies of this plant that differ slightly in morphology and flower color.
Right now, at Christmas, Aeoniums come into their glory and their rosettes grow to maximum size. During this time stems grow too if it is a stem-forming Aeonium. In the summer the rosettes remain but shrink in size in response to summer drought. The rosette leaves curl in toward the center forming a ball-like shape. In the summer, leaves along the stem are lost leaving leaf scars along the stem. If you continue to supply them water, they shrink less, but they do cease growing and go dormant. They love water but need good drainage. They can also be drought-tolerant, especially if they get some shade, but look better with regular water. It is really an adaptable plant. Aeoniums do best at the coast where it doesn't get very hot but can do fine a little inland if they get water and shade. They will not tolerate frost.
| Aeonium urbicum rosette S. Reeve |
This species is solitary and often has tall unbranched stems. Many Aeoniums, like the ever-popular Aeonium arborescens branch and form shrub-like plants. This one does not. Mine has not developed a sizable stem yet, so I am wondering if this could be a hybrid of some other species? The stem is only 6 inches, but it is only a year in the ground. It was sold as Aeonium urbicum. My plant is also offsetting smaller rosettes at the ground, and Aeonium urbicum is not supposed to offset, so it looks like this could be a hybrid. My plant is offsetting at the base and it looks like it will form a dense colony of rosettes.
This lovely plant is monocarpic and will die after flowering. It generally takes from 3-13 years for a flowering event to occur. When it blooms it produces a tower of many small flowers favored by bees. According to a study I read, this plant averages around 1,600 flowers per inflorescence. This species has one of the larger inflorescences of all of the Aeoniums. Polycarpic Aeoniums that do not die after flowering tends to have smaller inflorescences. It is a magnificent final act of flowering for Aeonium urbicum. This large flowering stalk comes at an energetic premium as the plant gives all of its resources to complete the event, and dies shortly afterward. It is thought that large inflorescences evolved in insect-poor areas to ensure pollination. Thankfully my plant is already offsetting so I do not have to worry about losing this plant if it does flower. The root system is made of fine hair-like roots as the plant itself serves as water storage.
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| Aeonium urbicum Inflorescense Annie's Annuals |
Right now, at Christmas, Aeoniums come into their glory and their rosettes grow to maximum size. During this time stems grow too if it is a stem-forming Aeonium. In the summer the rosettes remain but shrink in size in response to summer drought. The rosette leaves curl in toward the center forming a ball-like shape. In the summer, leaves along the stem are lost leaving leaf scars along the stem. If you continue to supply them water, they shrink less, but they do cease growing and go dormant. They love water but need good drainage. They can also be drought-tolerant, especially if they get some shade, but look better with regular water. It is really an adaptable plant. Aeoniums do best at the coast where it doesn't get very hot but can do fine a little inland if they get water and shade. They will not tolerate frost.
Sunday, March 10, 2019
If You Think You have a Black Thumb Start with Felicia amelloides
If happiness were made into a plant it would look like Felicia amelloides. It just looks like it is smiling all of the time, and not one of those little lip smiles either, but big fat irrepressible toothy grins all day long. "Felicia" means "happy" in Latin so they thought it was a happy plant too.
Saturday, March 9, 2019
The Raver Series of Arctotis- You can't go wrong with any of them!
I am a disciple of plants. What spurs me to write about certain plants is my intense admiration and love for the good performers in my garden. I feel the need to share with people the names and identities of these heroes in my garden. Hopefully, someone else will plant them and love them as much as I do, and be transported by their beauty, and delighted every time they see them in their gardens.
This is Arctotis 'Pumpkin Pie'. It was the one that started my affection for this series of hybridized Arctotis.
This is Arctotis 'Pumpkin Pie'. It was the one that started my affection for this series of hybridized Arctotis.
Tuesday, December 25, 2018
Delightful Garden Aloe - Aloe x 'Safari Rose'
For three years now I have enjoyed a little tough and well-behaved Aloe in my garden called, Aloe x 'Safari Rose'. I don't see it in the garden centers and I am not sure why. It is certainly one of my best plants. It requires no maintenance, is easy to care for, and it performs and looks great all of the time. There is a lot to like about Aloe x 'Safari Rose.'
Aloe x 'Safari Rose' S. Reeve
At three years this plant is slowly offsetting while maintaining a clearly defined clump. In this photo, it is getting slightly shaded by a Hibiscus so it is blooming more than I expected. The slightly bi-colored and rosy peach-colored blooms come up over a period of time and are long-blooming, from late fall until winter, and it will sometimes throw up a flower-or-two during the year. This is a compact and upright selection with leaves only about a foot long and flower stems about two feet tall. This particular plant was bred for sterility and tends to have larger and more numerous flowers than the straight species. The leaves are toothed and tend to be tipped in a blushing red.
The whole time, I have had this plant it has shown no indication of disease or Aloe mite. Researching this, revealed that this particular plant was bred for disease resistance. It is said to be extremely resistant to aloe mite, which is looking to be a fearsome foe. Two of my other Aloes had it, and since I garden organically, my options for treating it are limited. One of the Aloes I had to throw away, and the other I cut out the cancerous growth and sprayed with hydrogen peroxide. This is what The Aloe Farm in South Africa says about it, "Hydrogen peroxide 12% (40 volume ) undiluted with wetting agent added can also be useful as part of a treatment program for Aloe cancer. It is always best to physically remove (cut out) the deformities/growths caused by the mite before spraying." No way will I use a toxic neonicotinoid systemic on this problem and poison my bees and hummingbirds.
This aloe is one of a number in the Safari series developed by Charles Andrew De Wet at his nursery in South Africa. The breeding program started in 1973. In 2007, he chose this plant and named it 'Safari Rose' as it demonstrated superior disease resistance, attractive form, and a long bloom period. There are also 'Safari Sunset', 'Safari Orange', and 'Safari Sunrise'. I liked 'Safari Rose' so much that when I saw 'Safari Sunset' in the store I bought it.
Aloe 'Safari Sunset' S. Reeve
This plant has only been in the ground for a month-or-so and it is blooming precociously. Look at the size of that flower spike! So far, it appears that this a faster-growing selection. If this flower size is typical it is clearly an over-achiever. Big flowers are a bonus, but I am also happy that these are also mite resistant because finding aloe mite damage, and cutting it out is not my idea of a good time.
Hummingbirds and honeybees like the flowers, however, breeding for sterility has reduced the pollen to only a sparse amount. Fortunately, the plant also makes copious amounts of nectar to feed hungry flyers. Aloes are important honey bee plants in South Africa. The flowers open sequentially from the bottom up. This plant needs well-draining soil and can tolerate temperatures down to 23-25 degrees F. If you have a garden in Zones 9-11 this is a great plant for you. Even if you don't, this would be a good one for a container.
Sunday, December 9, 2018
Careful! Gardening can be Dangerous
| Agave parryi var. truncata 'Huntington' S. Reeve |
I knew it was true love when my boyfriend risked the sharp spines of Agave parryi var. truncata in an attempt to liberate a small pup growing alongside the mother plant. The final score was Dave-2, Agave-1. The agave drew blood but Dave did not give up, and I soon claimed my prize.
At the time, I did not know the beautiful agave, but I soon learned this agave was a form of Agave parryi from Mexico, called 'truncata'. Agave parryi has a large range and within the geographical area, there are different forms of the plant. There are two main subspecies, Agave parryi ssp. neomexicana, and Agave parryi ssp. parryi. Agave parryi ssp. neomexicana has narrower leaves and a shorter, less-branched influorescence. As you can gather from the name, "neomexicana" this subspecies originates in New Mexico. It is exceptionally cold hardy, down to 0 degrees F. This is small Agave producing numerous offsets.
The subspecies Agave parryi ssp parryi is further divided into four varieties. Agave parryi var. truncata comes from the southern-most part of its range in Durango and Zacatecas Mexico which is in the deep central part of Mexico. From here, the range of Agave parryi extends northward into central Arizona and southwestern New Mexico. The plant occurs in open areas at 1500- 9200 feet in elevation. There are four main varieties of Agave parryi ssp. parryi, Agave parryi var. couesii, Agave parryi var. huachuensis, Agave parryi var. parryi, and Agave parryi var. truncata. Even within a single population of Agave parryi, there are a variety of forms which makes identifying Agave parryi a little difficult.
Here is a diagram with leaf shapes showing lanceolate and obovate, the two main shapes of Agave parryi leaves. Of the four forms, Agave parryi var. huachuensis has the most lanceolate-shaped leaf.
Sunday, October 28, 2018
It's a Tree that Hummingbirds Love!
I have known about Tecomaria capensis or Cape Honeysuckle for a long time. It is called "Cape" honeysuckle as it refers to the Eastern Cape of South Africa where it is native. When I drive around many people use this robust plant for a hedge, unfortunately, this usually entails chopping off all of the flowers to maintain a strict geometry.
As you know I love hummingbirds! If a plant description says anything about the plant being popular with hummingbirds, I will probably try to grow it. That is, except for Tecomaria capensis because it has the small problem of wanting world domination. It is a known aggressive spreader, it roots at any node touching the ground, spreads by runners and seeds, and it can get out of control quite easily and that scared me away from trying to grow it in my garden.
Well I found the perfect solution for my garden. This is normally a vine-like shrub, but it can be trained as a standard tree! Perfect! I have grown this in a large pot for over a year now and am very pleased with how well it grows and how well it blooms. No way can it spread because it is in a pot on my deck, so the hummingbirds get their flowers and I don't have to deal with taming this wild beast. It just blooms all of the time! After a big bloom period, I trim the branches to encourage more dense branching and it doesn't miss a beat. Soon it is putting on more flower buds. This a veritable hummingbird feeder 365 days of the year!
Tecomaria capensis 'Riot Red' tree S. Reeve
While the regular species has bright orange flowers, and there is also a yellow-blooming hybrid, there is a new selection with rich red flowers called, Tecomaria 'Riot Red'. Not only are the flowers a very beautiful color, but the flowers themselves are much larger than the species. The flowers occur in short terminal racemes (at the ends of branches).
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